Home / 84,693,470.16-126,988,959.78-37,998,405.48

Finding the Fourth Proportional to 84,693,470.16, 126,988,959.78 and 37,998,405.48

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Solution

The fourth proportional to 84,693,470.16, 126,988,959.78 and 37,998,405.48 is: 56,974,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693,470.16 : 126,988,959.78 = 37,998,405.48 : x
  2. Step 2: Convert to fraction form
    84,693,470.16/126,988,959.78 = 37,998,405.48/x
  3. Step 3: Cross multiply
    84,693,470.16x = 126,988,959.78 × 37,998,405.48
  4. Step 4: Simplify right side
    84,693,470.16x = 4,825,377,985,203,851
  5. Step 5: Solve for x
    x = 4,825,377,985,203,851/84,693,470.16
  6. Step 6: Final answer
    x = 56,974,616.53

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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.