Home / 84,693,471.16-126,988,961.28-37,998,406.48

Finding the Fourth Proportional to 84,693,471.16, 126,988,961.28 and 37,998,406.48

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Solution

The fourth proportional to 84,693,471.16, 126,988,961.28 and 37,998,406.48 is: 56,974,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,693,471.16 : 126,988,961.28 = 37,998,406.48 : x
  2. Step 2: Convert to fraction form
    84,693,471.16/126,988,961.28 = 37,998,406.48/x
  3. Step 3: Cross multiply
    84,693,471.16x = 126,988,961.28 × 37,998,406.48
  4. Step 4: Simplify right side
    84,693,471.16x = 4,825,378,169,190,421
  5. Step 5: Solve for x
    x = 4,825,378,169,190,421/84,693,471.16
  6. Step 6: Final answer
    x = 56,974,618.03

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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.