Home / 220,940,253.10-304,911,158.50-121,820,693.96

Finding the Fourth Proportional to 220,940,253.10, 304,911,158.50 and 121,820,693.96

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Solution

The fourth proportional to 220,940,253.10, 304,911,158.50 and 121,820,693.96 is: 168,120,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,940,253.10 : 304,911,158.50 = 121,820,693.96 : x
  2. Step 2: Convert to fraction form
    220,940,253.10/304,911,158.50 = 121,820,693.96/x
  3. Step 3: Cross multiply
    220,940,253.10x = 304,911,158.50 × 121,820,693.96
  4. Step 4: Simplify right side
    220,940,253.10x = 37,144,488,924,617,552
  5. Step 5: Solve for x
    x = 37,144,488,924,617,552/220,940,253.10
  6. Step 6: Final answer
    x = 168,120,061.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.