Home / 64,272,645.40-96,396,414.42-20,541,673.36

Finding the Fourth Proportional to 64,272,645.40, 96,396,414.42 and 20,541,673.36

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Solution

The fourth proportional to 64,272,645.40, 96,396,414.42 and 20,541,673.36 is: 30,808,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272,645.40 : 96,396,414.42 = 20,541,673.36 : x
  2. Step 2: Convert to fraction form
    64,272,645.40/96,396,414.42 = 20,541,673.36/x
  3. Step 3: Cross multiply
    64,272,645.40x = 96,396,414.42 × 20,541,673.36
  4. Step 4: Simplify right side
    64,272,645.40x = 1,980,143,657,746,130.75
  5. Step 5: Solve for x
    x = 1,980,143,657,746,130.75/64,272,645.40
  6. Step 6: Final answer
    x = 30,808,497.85

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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.