Home / 52,116,948.20-78,149,951.04-21,403,318

Finding the Fourth Proportional to 52,116,948.20, 78,149,951.04 and 21,403,318

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Solution

The fourth proportional to 52,116,948.20, 78,149,951.04 and 21,403,318 is: 32,094,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,948.20 : 78,149,951.04 = 21,403,318 : x
  2. Step 2: Convert to fraction form
    52,116,948.20/78,149,951.04 = 21,403,318/x
  3. Step 3: Cross multiply
    52,116,948.20x = 78,149,951.04 × 21,403,318
  4. Step 4: Simplify right side
    52,116,948.20x = 1,672,668,253,793,550.75
  5. Step 5: Solve for x
    x = 1,672,668,253,793,550.75/52,116,948.20
  6. Step 6: Final answer
    x = 32,094,516.50

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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.