Home / 142,027,591.65-212,853,055.64-72,937,604.13

Finding the Fourth Proportional to 142,027,591.65, 212,853,055.64 and 72,937,604.13

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Solution

The fourth proportional to 142,027,591.65, 212,853,055.64 and 72,937,604.13 is: 109,309,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,027,591.65 : 212,853,055.64 = 72,937,604.13 : x
  2. Step 2: Convert to fraction form
    142,027,591.65/212,853,055.64 = 72,937,604.13/x
  3. Step 3: Cross multiply
    142,027,591.65x = 212,853,055.64 × 72,937,604.13
  4. Step 4: Simplify right side
    142,027,591.65x = 15,524,991,909,766,494
  5. Step 5: Solve for x
    x = 15,524,991,909,766,494/142,027,591.65
  6. Step 6: Final answer
    x = 109,309,689.26

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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.