Home / 56,929,642.29-85,399,713.05-18,591,357.33

Finding the Fourth Proportional to 56,929,642.29, 85,399,713.05 and 18,591,357.33

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Solution

The fourth proportional to 56,929,642.29, 85,399,713.05 and 18,591,357.33 is: 27,888,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,929,642.29 : 85,399,713.05 = 18,591,357.33 : x
  2. Step 2: Convert to fraction form
    56,929,642.29/85,399,713.05 = 18,591,357.33/x
  3. Step 3: Cross multiply
    56,929,642.29x = 85,399,713.05 × 18,591,357.33
  4. Step 4: Simplify right side
    56,929,642.29x = 1,587,696,581,099,057.25
  5. Step 5: Solve for x
    x = 1,587,696,581,099,057.25/56,929,642.29
  6. Step 6: Final answer
    x = 27,888,750.35

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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.