Home / 191,542,761.12-287,314,144.14-45,976,322.18

Finding the Fourth Proportional to 191,542,761.12, 287,314,144.14 and 45,976,322.18

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Solution

The fourth proportional to 191,542,761.12, 287,314,144.14 and 45,976,322.18 is: 68,964,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,542,761.12 : 287,314,144.14 = 45,976,322.18 : x
  2. Step 2: Convert to fraction form
    191,542,761.12/287,314,144.14 = 45,976,322.18/x
  3. Step 3: Cross multiply
    191,542,761.12x = 287,314,144.14 × 45,976,322.18
  4. Step 4: Simplify right side
    191,542,761.12x = 13,209,647,657,851,598
  5. Step 5: Solve for x
    x = 13,209,647,657,851,598/191,542,761.12
  6. Step 6: Final answer
    x = 68,964,483.86

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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.