Home / 71,888,085.60-107,832,128.40-44,678,306.40

Finding the Fourth Proportional to 71,888,085.60, 107,832,128.40 and 44,678,306.40

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Solution

The fourth proportional to 71,888,085.60, 107,832,128.40 and 44,678,306.40 is: 67,017,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,888,085.60 : 107,832,128.40 = 44,678,306.40 : x
  2. Step 2: Convert to fraction form
    71,888,085.60/107,832,128.40 = 44,678,306.40/x
  3. Step 3: Cross multiply
    71,888,085.60x = 107,832,128.40 × 44,678,306.40
  4. Step 4: Simplify right side
    71,888,085.60x = 4,817,756,872,419,342
  5. Step 5: Solve for x
    x = 4,817,756,872,419,342/71,888,085.60
  6. Step 6: Final answer
    x = 67,017,459.60

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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.