Home / 440,340,098.10-660,510,147.15-133,631,718.90

Finding the Fourth Proportional to 440,340,098.10, 660,510,147.15 and 133,631,718.90

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Solution

The fourth proportional to 440,340,098.10, 660,510,147.15 and 133,631,718.90 is: 200,447,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,340,098.10 : 660,510,147.15 = 133,631,718.90 : x
  2. Step 2: Convert to fraction form
    440,340,098.10/660,510,147.15 = 133,631,718.90/x
  3. Step 3: Cross multiply
    440,340,098.10x = 660,510,147.15 × 133,631,718.90
  4. Step 4: Simplify right side
    440,340,098.10x = 88,265,106,314,546,432
  5. Step 5: Solve for x
    x = 88,265,106,314,546,432/440,340,098.10
  6. Step 6: Final answer
    x = 200,447,578.35

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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.