Home / 442,868,000.10-664,302,000.15-136,120,254.90

Finding the Fourth Proportional to 442,868,000.10, 664,302,000.15 and 136,120,254.90

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Solution

The fourth proportional to 442,868,000.10, 664,302,000.15 and 136,120,254.90 is: 204,180,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,000.10 : 664,302,000.15 = 136,120,254.90 : x
  2. Step 2: Convert to fraction form
    442,868,000.10/664,302,000.15 = 136,120,254.90/x
  3. Step 3: Cross multiply
    442,868,000.10x = 664,302,000.15 × 136,120,254.90
  4. Step 4: Simplify right side
    442,868,000.10x = 90,424,957,590,997,840
  5. Step 5: Solve for x
    x = 90,424,957,590,997,840/442,868,000.10
  6. Step 6: Final answer
    x = 204,180,382.35

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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.