Home / 178,187,815.40-267,281,723.10-87,488,551.40

Finding the Fourth Proportional to 178,187,815.40, 267,281,723.10 and 87,488,551.40

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Solution

The fourth proportional to 178,187,815.40, 267,281,723.10 and 87,488,551.40 is: 131,232,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,187,815.40 : 267,281,723.10 = 87,488,551.40 : x
  2. Step 2: Convert to fraction form
    178,187,815.40/267,281,723.10 = 87,488,551.40/x
  3. Step 3: Cross multiply
    178,187,815.40x = 267,281,723.10 × 87,488,551.40
  4. Step 4: Simplify right side
    178,187,815.40x = 23,384,090,769,714,920
  5. Step 5: Solve for x
    x = 23,384,090,769,714,920/178,187,815.40
  6. Step 6: Final answer
    x = 131,232,827.10

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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.