Home / 42,532,486.60-63,657,012.30-39,131,264.20

Finding the Fourth Proportional to 42,532,486.60, 63,657,012.30 and 39,131,264.20

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Solution

The fourth proportional to 42,532,486.60, 63,657,012.30 and 39,131,264.20 is: 58,566,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,532,486.60 : 63,657,012.30 = 39,131,264.20 : x
  2. Step 2: Convert to fraction form
    42,532,486.60/63,657,012.30 = 39,131,264.20/x
  3. Step 3: Cross multiply
    42,532,486.60x = 63,657,012.30 × 39,131,264.20
  4. Step 4: Simplify right side
    42,532,486.60x = 2,490,979,366,493,949.50
  5. Step 5: Solve for x
    x = 2,490,979,366,493,949.50/42,532,486.60
  6. Step 6: Final answer
    x = 58,566,511.52

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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.