Home / 89,738,126.70-134,500,901.85-66,992,451.90

Finding the Fourth Proportional to 89,738,126.70, 134,500,901.85 and 66,992,451.90

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Solution

The fourth proportional to 89,738,126.70, 134,500,901.85 and 66,992,451.90 is: 100,409,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,738,126.70 : 134,500,901.85 = 66,992,451.90 : x
  2. Step 2: Convert to fraction form
    89,738,126.70/134,500,901.85 = 66,992,451.90/x
  3. Step 3: Cross multiply
    89,738,126.70x = 134,500,901.85 × 66,992,451.90
  4. Step 4: Simplify right side
    89,738,126.70x = 9,010,545,197,692,746
  5. Step 5: Solve for x
    x = 9,010,545,197,692,746/89,738,126.70
  6. Step 6: Final answer
    x = 100,409,330.23

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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.