Home / 291,433,957.20-437,654,820.60-155,385,061.20

Finding the Fourth Proportional to 291,433,957.20, 437,654,820.60 and 155,385,061.20

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Solution

The fourth proportional to 291,433,957.20, 437,654,820.60 and 155,385,061.20 is: 233,346,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,433,957.20 : 437,654,820.60 = 155,385,061.20 : x
  2. Step 2: Convert to fraction form
    291,433,957.20/437,654,820.60 = 155,385,061.20/x
  3. Step 3: Cross multiply
    291,433,957.20x = 437,654,820.60 × 155,385,061.20
  4. Step 4: Simplify right side
    291,433,957.20x = 68,005,021,083,406,016
  5. Step 5: Solve for x
    x = 68,005,021,083,406,016/291,433,957.20
  6. Step 6: Final answer
    x = 233,346,250.17

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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.