Home / 89,785,421.60-134,489,175.60-74,668,877.60

Finding the Fourth Proportional to 89,785,421.60, 134,489,175.60 and 74,668,877.60

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Solution

The fourth proportional to 89,785,421.60, 134,489,175.60 and 74,668,877.60 is: 111,846,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,785,421.60 : 134,489,175.60 = 74,668,877.60 : x
  2. Step 2: Convert to fraction form
    89,785,421.60/134,489,175.60 = 74,668,877.60/x
  3. Step 3: Cross multiply
    89,785,421.60x = 134,489,175.60 × 74,668,877.60
  4. Step 4: Simplify right side
    89,785,421.60x = 10,042,155,791,401,306
  5. Step 5: Solve for x
    x = 10,042,155,791,401,306/89,785,421.60
  6. Step 6: Final answer
    x = 111,846,172.94

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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.