Home / 288,728,102.92-433,117,616.46-81,468,331.24

Finding the Fourth Proportional to 288,728,102.92, 433,117,616.46 and 81,468,331.24

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Solution

The fourth proportional to 288,728,102.92, 433,117,616.46 and 81,468,331.24 is: 122,209,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,728,102.92 : 433,117,616.46 = 81,468,331.24 : x
  2. Step 2: Convert to fraction form
    288,728,102.92/433,117,616.46 = 81,468,331.24/x
  3. Step 3: Cross multiply
    288,728,102.92x = 433,117,616.46 × 81,468,331.24
  4. Step 4: Simplify right side
    288,728,102.92x = 35,285,369,443,642,552
  5. Step 5: Solve for x
    x = 35,285,369,443,642,552/288,728,102.92
  6. Step 6: Final answer
    x = 122,209,681.31

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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.