Home / 42,805,517.59-64,208,103.45-15,505,421.23

Finding the Fourth Proportional to 42,805,517.59, 64,208,103.45 and 15,505,421.23

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Solution

The fourth proportional to 42,805,517.59, 64,208,103.45 and 15,505,421.23 is: 23,258,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,805,517.59 : 64,208,103.45 = 15,505,421.23 : x
  2. Step 2: Convert to fraction form
    42,805,517.59/64,208,103.45 = 15,505,421.23/x
  3. Step 3: Cross multiply
    42,805,517.59x = 64,208,103.45 × 15,505,421.23
  4. Step 4: Simplify right side
    42,805,517.59x = 995,573,690,371,666.38
  5. Step 5: Solve for x
    x = 995,573,690,371,666.38/42,805,517.59
  6. Step 6: Final answer
    x = 23,258,069.20

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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.