Home / 99,435,657.30-148,901,543.55-79,280,265.30

Finding the Fourth Proportional to 99,435,657.30, 148,901,543.55 and 79,280,265.30

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Solution

The fourth proportional to 99,435,657.30, 148,901,543.55 and 79,280,265.30 is: 118,719,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,435,657.30 : 148,901,543.55 = 79,280,265.30 : x
  2. Step 2: Convert to fraction form
    99,435,657.30/148,901,543.55 = 79,280,265.30/x
  3. Step 3: Cross multiply
    99,435,657.30x = 148,901,543.55 × 79,280,265.30
  4. Step 4: Simplify right side
    99,435,657.30x = 11,804,953,876,223,504
  5. Step 5: Solve for x
    x = 11,804,953,876,223,504/99,435,657.30
  6. Step 6: Final answer
    x = 118,719,523.73

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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.