Home / 291,434,053.20-437,654,964.60-155,385,157.20

Finding the Fourth Proportional to 291,434,053.20, 437,654,964.60 and 155,385,157.20

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Solution

The fourth proportional to 291,434,053.20, 437,654,964.60 and 155,385,157.20 is: 233,346,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,434,053.20 : 437,654,964.60 = 155,385,157.20 : x
  2. Step 2: Convert to fraction form
    291,434,053.20/437,654,964.60 = 155,385,157.20/x
  3. Step 3: Cross multiply
    291,434,053.20x = 437,654,964.60 × 155,385,157.20
  4. Step 4: Simplify right side
    291,434,053.20x = 68,005,085,473,731,432
  5. Step 5: Solve for x
    x = 68,005,085,473,731,432/291,434,053.20
  6. Step 6: Final answer
    x = 233,346,394.24

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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.