Home / 42,146,807.20-63,220,210.80-10,234,103.20

Finding the Fourth Proportional to 42,146,807.20, 63,220,210.80 and 10,234,103.20

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Solution

The fourth proportional to 42,146,807.20, 63,220,210.80 and 10,234,103.20 is: 15,351,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146,807.20 : 63,220,210.80 = 10,234,103.20 : x
  2. Step 2: Convert to fraction form
    42,146,807.20/63,220,210.80 = 10,234,103.20/x
  3. Step 3: Cross multiply
    42,146,807.20x = 63,220,210.80 × 10,234,103.20
  4. Step 4: Simplify right side
    42,146,807.20x = 647,002,161,652,954.50
  5. Step 5: Solve for x
    x = 647,002,161,652,954.50/42,146,807.20
  6. Step 6: Final answer
    x = 15,351,154.80

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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.