Home / 65,127,594.88-89,876,148.78-38,671,229.08

Finding the Fourth Proportional to 65,127,594.88, 89,876,148.78 and 38,671,229.08

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Solution

The fourth proportional to 65,127,594.88, 89,876,148.78 and 38,671,229.08 is: 53,366,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,127,594.88 : 89,876,148.78 = 38,671,229.08 : x
  2. Step 2: Convert to fraction form
    65,127,594.88/89,876,148.78 = 38,671,229.08/x
  3. Step 3: Cross multiply
    65,127,594.88x = 89,876,148.78 × 38,671,229.08
  4. Step 4: Simplify right side
    65,127,594.88x = 3,475,621,138,299,542.50
  5. Step 5: Solve for x
    x = 3,475,621,138,299,542.50/65,127,594.88
  6. Step 6: Final answer
    x = 53,366,336.42

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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.