Home / 52,215,264.46-78,314,209.50-15,815,000.49

Finding the Fourth Proportional to 52,215,264.46, 78,314,209.50 and 15,815,000.49

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Solution

The fourth proportional to 52,215,264.46, 78,314,209.50 and 15,815,000.49 is: 23,719,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215,264.46 : 78,314,209.50 = 15,815,000.49 : x
  2. Step 2: Convert to fraction form
    52,215,264.46/78,314,209.50 = 15,815,000.49/x
  3. Step 3: Cross multiply
    52,215,264.46x = 78,314,209.50 × 15,815,000.49
  4. Step 4: Simplify right side
    52,215,264.46x = 1,238,539,261,382,090.50
  5. Step 5: Solve for x
    x = 1,238,539,261,382,090.50/52,215,264.46
  6. Step 6: Final answer
    x = 23,719,869.55

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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.