Home / 75,520,512,013.30-113,280,768,019.95-36,338,429,965.30

Finding the Fourth Proportional to 75,520,512,013.30, 113,280,768,019.95 and 36,338,429,965.30

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Solution

The fourth proportional to 75,520,512,013.30, 113,280,768,019.95 and 36,338,429,965.30 is: 54,507,644,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,520,512,013.30 : 113,280,768,019.95 = 36,338,429,965.30 : x
  2. Step 2: Convert to fraction form
    75,520,512,013.30/113,280,768,019.95 = 36,338,429,965.30/x
  3. Step 3: Cross multiply
    75,520,512,013.30x = 113,280,768,019.95 × 36,338,429,965.30
  4. Step 4: Simplify right side
    75,520,512,013.30x = 4,116,445,255,108,349,394,944
  5. Step 5: Solve for x
    x = 4,116,445,255,108,349,394,944/75,520,512,013.30
  6. Step 6: Final answer
    x = 54,507,644,947.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.