Home / 118,218,576.80-177,029,266.80-77,609,194.40

Finding the Fourth Proportional to 118,218,576.80, 177,029,266.80 and 77,609,194.40

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Solution

The fourth proportional to 118,218,576.80, 177,029,266.80 and 77,609,194.40 is: 116,217,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,218,576.80 : 177,029,266.80 = 77,609,194.40 : x
  2. Step 2: Convert to fraction form
    118,218,576.80/177,029,266.80 = 77,609,194.40/x
  3. Step 3: Cross multiply
    118,218,576.80x = 177,029,266.80 × 77,609,194.40
  4. Step 4: Simplify right side
    118,218,576.80x = 13,739,098,781,570,668
  5. Step 5: Solve for x
    x = 13,739,098,781,570,668/118,218,576.80
  6. Step 6: Final answer
    x = 116,217,765.04

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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.