Home / 99,435,376.80-148,901,122.80-79,279,984.80

Finding the Fourth Proportional to 99,435,376.80, 148,901,122.80 and 79,279,984.80

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Solution

The fourth proportional to 99,435,376.80, 148,901,122.80 and 79,279,984.80 is: 118,719,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,435,376.80 : 148,901,122.80 = 79,279,984.80 : x
  2. Step 2: Convert to fraction form
    99,435,376.80/148,901,122.80 = 79,279,984.80/x
  3. Step 3: Cross multiply
    99,435,376.80x = 148,901,122.80 × 79,279,984.80
  4. Step 4: Simplify right side
    99,435,376.80x = 11,804,878,752,286,934
  5. Step 5: Solve for x
    x = 11,804,878,752,286,934/99,435,376.80
  6. Step 6: Final answer
    x = 118,719,103.12

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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.