Home / 118,253,602.80-177,380,404.20-77,909,641.20

Finding the Fourth Proportional to 118,253,602.80, 177,380,404.20 and 77,909,641.20

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Solution

The fourth proportional to 118,253,602.80, 177,380,404.20 and 77,909,641.20 is: 116,864,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253,602.80 : 177,380,404.20 = 77,909,641.20 : x
  2. Step 2: Convert to fraction form
    118,253,602.80/177,380,404.20 = 77,909,641.20/x
  3. Step 3: Cross multiply
    118,253,602.80x = 177,380,404.20 × 77,909,641.20
  4. Step 4: Simplify right side
    118,253,602.80x = 13,819,643,647,132,972
  5. Step 5: Solve for x
    x = 13,819,643,647,132,972/118,253,602.80
  6. Step 6: Final answer
    x = 116,864,461.80

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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.