Home / 76,032,002.30-114,048,003.45-19,298,306.30

Finding the Fourth Proportional to 76,032,002.30, 114,048,003.45 and 19,298,306.30

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Solution

The fourth proportional to 76,032,002.30, 114,048,003.45 and 19,298,306.30 is: 28,947,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,002.30 : 114,048,003.45 = 19,298,306.30 : x
  2. Step 2: Convert to fraction form
    76,032,002.30/114,048,003.45 = 19,298,306.30/x
  3. Step 3: Cross multiply
    76,032,002.30x = 114,048,003.45 × 19,298,306.30
  4. Step 4: Simplify right side
    76,032,002.30x = 2,200,933,303,481,557
  5. Step 5: Solve for x
    x = 2,200,933,303,481,557/76,032,002.30
  6. Step 6: Final answer
    x = 28,947,459.45

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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.