Home / 89,314,808.40-133,972,212.60-88,558,981.20

Finding the Fourth Proportional to 89,314,808.40, 133,972,212.60 and 88,558,981.20

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Solution

The fourth proportional to 89,314,808.40, 133,972,212.60 and 88,558,981.20 is: 132,838,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314,808.40 : 133,972,212.60 = 88,558,981.20 : x
  2. Step 2: Convert to fraction form
    89,314,808.40/133,972,212.60 = 88,558,981.20/x
  3. Step 3: Cross multiply
    89,314,808.40x = 133,972,212.60 × 88,558,981.20
  4. Step 4: Simplify right side
    89,314,808.40x = 11,864,442,656,965,802
  5. Step 5: Solve for x
    x = 11,864,442,656,965,802/89,314,808.40
  6. Step 6: Final answer
    x = 132,838,471.80

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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.