Home / 141,246,115.20-212,004,475.20-73,137,686.40

Finding the Fourth Proportional to 141,246,115.20, 212,004,475.20 and 73,137,686.40

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Solution

The fourth proportional to 141,246,115.20, 212,004,475.20 and 73,137,686.40 is: 109,776,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,246,115.20 : 212,004,475.20 = 73,137,686.40 : x
  2. Step 2: Convert to fraction form
    141,246,115.20/212,004,475.20 = 73,137,686.40/x
  3. Step 3: Cross multiply
    141,246,115.20x = 212,004,475.20 × 73,137,686.40
  4. Step 4: Simplify right side
    141,246,115.20x = 15,505,516,822,574,178
  5. Step 5: Solve for x
    x = 15,505,516,822,574,178/141,246,115.20
  6. Step 6: Final answer
    x = 109,776,589.61

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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.