Home / 93,195,387.20-139,793,080.80-84,125,460.80

Finding the Fourth Proportional to 93,195,387.20, 139,793,080.80 and 84,125,460.80

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Solution

The fourth proportional to 93,195,387.20, 139,793,080.80 and 84,125,460.80 is: 126,188,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,195,387.20 : 139,793,080.80 = 84,125,460.80 : x
  2. Step 2: Convert to fraction form
    93,195,387.20/139,793,080.80 = 84,125,460.80/x
  3. Step 3: Cross multiply
    93,195,387.20x = 139,793,080.80 × 84,125,460.80
  4. Step 4: Simplify right side
    93,195,387.20x = 11,760,157,338,951,634
  5. Step 5: Solve for x
    x = 11,760,157,338,951,634/93,195,387.20
  6. Step 6: Final answer
    x = 126,188,191.20

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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.