Home / 42,610,810.60-63,878,891.10-25,578,260.20

Finding the Fourth Proportional to 42,610,810.60, 63,878,891.10 and 25,578,260.20

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Solution

The fourth proportional to 42,610,810.60, 63,878,891.10 and 25,578,260.20 is: 38,344,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610,810.60 : 63,878,891.10 = 25,578,260.20 : x
  2. Step 2: Convert to fraction form
    42,610,810.60/63,878,891.10 = 25,578,260.20/x
  3. Step 3: Cross multiply
    42,610,810.60x = 63,878,891.10 × 25,578,260.20
  4. Step 4: Simplify right side
    42,610,810.60x = 1,633,910,897,843,264.25
  5. Step 5: Solve for x
    x = 1,633,910,897,843,264.25/42,610,810.60
  6. Step 6: Final answer
    x = 38,344,985.11

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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.