Home / 72,551,580.35-108,719,752.66-53,288,172.70

Finding the Fourth Proportional to 72,551,580.35, 108,719,752.66 and 53,288,172.70

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Solution

The fourth proportional to 72,551,580.35, 108,719,752.66 and 53,288,172.70 is: 79,853,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,551,580.35 : 108,719,752.66 = 53,288,172.70 : x
  2. Step 2: Convert to fraction form
    72,551,580.35/108,719,752.66 = 53,288,172.70/x
  3. Step 3: Cross multiply
    72,551,580.35x = 108,719,752.66 × 53,288,172.70
  4. Step 4: Simplify right side
    72,551,580.35x = 5,793,476,955,242,344
  5. Step 5: Solve for x
    x = 5,793,476,955,242,344/72,551,580.35
  6. Step 6: Final answer
    x = 79,853,215.16

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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.