Home / 83,215,905.20-124,580,555.40-59,328,033.20

Finding the Fourth Proportional to 83,215,905.20, 124,580,555.40 and 59,328,033.20

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Solution

The fourth proportional to 83,215,905.20, 124,580,555.40 and 59,328,033.20 is: 88,818,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215,905.20 : 124,580,555.40 = 59,328,033.20 : x
  2. Step 2: Convert to fraction form
    83,215,905.20/124,580,555.40 = 59,328,033.20/x
  3. Step 3: Cross multiply
    83,215,905.20x = 124,580,555.40 × 59,328,033.20
  4. Step 4: Simplify right side
    83,215,905.20x = 7,391,119,326,845,640
  5. Step 5: Solve for x
    x = 7,391,119,326,845,640/83,215,905.20
  6. Step 6: Final answer
    x = 88,818,589.54

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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.