Home / 118,321,711.20-177,482,566.80-54,620,719.20

Finding the Fourth Proportional to 118,321,711.20, 177,482,566.80 and 54,620,719.20

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Solution

The fourth proportional to 118,321,711.20, 177,482,566.80 and 54,620,719.20 is: 81,931,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,321,711.20 : 177,482,566.80 = 54,620,719.20 : x
  2. Step 2: Convert to fraction form
    118,321,711.20/177,482,566.80 = 54,620,719.20/x
  3. Step 3: Cross multiply
    118,321,711.20x = 177,482,566.80 × 54,620,719.20
  4. Step 4: Simplify right side
    118,321,711.20x = 9,694,225,444,078,044
  5. Step 5: Solve for x
    x = 9,694,225,444,078,044/118,321,711.20
  6. Step 6: Final answer
    x = 81,931,078.80

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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.