Home / 124,200,801.72-171,397,780.86-71,273,295.12

Finding the Fourth Proportional to 124,200,801.72, 171,397,780.86 and 71,273,295.12

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Solution

The fourth proportional to 124,200,801.72, 171,397,780.86 and 71,273,295.12 is: 98,357,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,200,801.72 : 171,397,780.86 = 71,273,295.12 : x
  2. Step 2: Convert to fraction form
    124,200,801.72/171,397,780.86 = 71,273,295.12/x
  3. Step 3: Cross multiply
    124,200,801.72x = 171,397,780.86 × 71,273,295.12
  4. Step 4: Simplify right side
    124,200,801.72x = 12,216,084,618,147,870
  5. Step 5: Solve for x
    x = 12,216,084,618,147,870/124,200,801.72
  6. Step 6: Final answer
    x = 98,357,534.32

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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.