Home / 149,490,077.10-224,235,115.65-81,465,629.10

Finding the Fourth Proportional to 149,490,077.10, 224,235,115.65 and 81,465,629.10

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Solution

The fourth proportional to 149,490,077.10, 224,235,115.65 and 81,465,629.10 is: 122,198,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,077.10 : 224,235,115.65 = 81,465,629.10 : x
  2. Step 2: Convert to fraction form
    149,490,077.10/224,235,115.65 = 81,465,629.10/x
  3. Step 3: Cross multiply
    149,490,077.10x = 224,235,115.65 × 81,465,629.10
  4. Step 4: Simplify right side
    149,490,077.10x = 18,267,454,762,738,504
  5. Step 5: Solve for x
    x = 18,267,454,762,738,504/149,490,077.10
  6. Step 6: Final answer
    x = 122,198,443.65

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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.