Home / 291,416,382.68-437,000,142.53-168,679,419.13

Finding the Fourth Proportional to 291,416,382.68, 437,000,142.53 and 168,679,419.13

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Solution

The fourth proportional to 291,416,382.68, 437,000,142.53 and 168,679,419.13 is: 252,947,104.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,416,382.68 : 437,000,142.53 = 168,679,419.13 : x
  2. Step 2: Convert to fraction form
    291,416,382.68/437,000,142.53 = 168,679,419.13/x
  3. Step 3: Cross multiply
    291,416,382.68x = 437,000,142.53 × 168,679,419.13
  4. Step 4: Simplify right side
    291,416,382.68x = 73,712,930,201,687,600
  5. Step 5: Solve for x
    x = 73,712,930,201,687,600/291,416,382.68
  6. Step 6: Final answer
    x = 252,947,104.50

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1.5x scale

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.