Home / 89,858,812.60-134,788,218.90-49,044,143.80

Finding the Fourth Proportional to 89,858,812.60, 134,788,218.90 and 49,044,143.80

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Solution

The fourth proportional to 89,858,812.60, 134,788,218.90 and 49,044,143.80 is: 73,566,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858,812.60 : 134,788,218.90 = 49,044,143.80 : x
  2. Step 2: Convert to fraction form
    89,858,812.60/134,788,218.90 = 49,044,143.80/x
  3. Step 3: Cross multiply
    89,858,812.60x = 134,788,218.90 × 49,044,143.80
  4. Step 4: Simplify right side
    89,858,812.60x = 6,610,572,790,277,478
  5. Step 5: Solve for x
    x = 6,610,572,790,277,478/89,858,812.60
  6. Step 6: Final answer
    x = 73,566,215.70

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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.