Home / 57,092,065.66-78,785,046.84-30,986,058.04

Finding the Fourth Proportional to 57,092,065.66, 78,785,046.84 and 30,986,058.04

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Solution

The fourth proportional to 57,092,065.66, 78,785,046.84 and 30,986,058.04 is: 42,759,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,065.66 : 78,785,046.84 = 30,986,058.04 : x
  2. Step 2: Convert to fraction form
    57,092,065.66/78,785,046.84 = 30,986,058.04/x
  3. Step 3: Cross multiply
    57,092,065.66x = 78,785,046.84 × 30,986,058.04
  4. Step 4: Simplify right side
    57,092,065.66x = 2,441,238,034,068,358.50
  5. Step 5: Solve for x
    x = 2,441,238,034,068,358.50/57,092,065.66
  6. Step 6: Final answer
    x = 42,759,672.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.