Home / 99,542,852.70-149,314,279.05-82,536,740.70

Finding the Fourth Proportional to 99,542,852.70, 149,314,279.05 and 82,536,740.70

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Solution

The fourth proportional to 99,542,852.70, 149,314,279.05 and 82,536,740.70 is: 123,805,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,542,852.70 : 149,314,279.05 = 82,536,740.70 : x
  2. Step 2: Convert to fraction form
    99,542,852.70/149,314,279.05 = 82,536,740.70/x
  3. Step 3: Cross multiply
    99,542,852.70x = 149,314,279.05 × 82,536,740.70
  4. Step 4: Simplify right side
    99,542,852.70x = 12,323,913,932,757,294
  5. Step 5: Solve for x
    x = 12,323,913,932,757,294/99,542,852.70
  6. Step 6: Final answer
    x = 123,805,111.05

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Similar ratio
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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.