Home / 80,779,032,042.30-121,168,548,063.45-36,699,189,738.30

Finding the Fourth Proportional to 80,779,032,042.30, 121,168,548,063.45 and 36,699,189,738.30

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Solution

The fourth proportional to 80,779,032,042.30, 121,168,548,063.45 and 36,699,189,738.30 is: 55,048,784,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,032,042.30 : 121,168,548,063.45 = 36,699,189,738.30 : x
  2. Step 2: Convert to fraction form
    80,779,032,042.30/121,168,548,063.45 = 36,699,189,738.30/x
  3. Step 3: Cross multiply
    80,779,032,042.30x = 121,168,548,063.45 × 36,699,189,738.30
  4. Step 4: Simplify right side
    80,779,032,042.30x = 4,446,787,535,694,875,066,368
  5. Step 5: Solve for x
    x = 4,446,787,535,694,875,066,368/80,779,032,042.30
  6. Step 6: Final answer
    x = 55,048,784,607.45

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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.