Home / 52,281,081.64-72,147,494.50-28,759,113.17

Finding the Fourth Proportional to 52,281,081.64, 72,147,494.50 and 28,759,113.17

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Solution

The fourth proportional to 52,281,081.64, 72,147,494.50 and 28,759,113.17 is: 39,687,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281,081.64 : 72,147,494.50 = 28,759,113.17 : x
  2. Step 2: Convert to fraction form
    52,281,081.64/72,147,494.50 = 28,759,113.17/x
  3. Step 3: Cross multiply
    52,281,081.64x = 72,147,494.50 × 28,759,113.17
  4. Step 4: Simplify right side
    52,281,081.64x = 2,074,897,959,257,452.75
  5. Step 5: Solve for x
    x = 2,074,897,959,257,452.75/52,281,081.64
  6. Step 6: Final answer
    x = 39,687,357.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.