Home / 118,325,129.60-177,487,694.40-80,104,534.40

Finding the Fourth Proportional to 118,325,129.60, 177,487,694.40 and 80,104,534.40

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Solution

The fourth proportional to 118,325,129.60, 177,487,694.40 and 80,104,534.40 is: 120,156,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325,129.60 : 177,487,694.40 = 80,104,534.40 : x
  2. Step 2: Convert to fraction form
    118,325,129.60/177,487,694.40 = 80,104,534.40/x
  3. Step 3: Cross multiply
    118,325,129.60x = 177,487,694.40 × 80,104,534.40
  4. Step 4: Simplify right side
    118,325,129.60x = 14,217,569,121,641,488
  5. Step 5: Solve for x
    x = 14,217,569,121,641,488/118,325,129.60
  6. Step 6: Final answer
    x = 120,156,801.60

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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.