Home / 42,012,049.20-63,018,073.80-10,099,345.20

Finding the Fourth Proportional to 42,012,049.20, 63,018,073.80 and 10,099,345.20

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Solution

The fourth proportional to 42,012,049.20, 63,018,073.80 and 10,099,345.20 is: 15,149,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,049.20 : 63,018,073.80 = 10,099,345.20 : x
  2. Step 2: Convert to fraction form
    42,012,049.20/63,018,073.80 = 10,099,345.20/x
  3. Step 3: Cross multiply
    42,012,049.20x = 63,018,073.80 × 10,099,345.20
  4. Step 4: Simplify right side
    42,012,049.20x = 636,441,281,145,275.62
  5. Step 5: Solve for x
    x = 636,441,281,145,275.62/42,012,049.20
  6. Step 6: Final answer
    x = 15,149,017.80

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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.