Home / 145,029,814.10-217,544,721.15-112,151,330.90

Finding the Fourth Proportional to 145,029,814.10, 217,544,721.15 and 112,151,330.90

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Solution

The fourth proportional to 145,029,814.10, 217,544,721.15 and 112,151,330.90 is: 168,226,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,029,814.10 : 217,544,721.15 = 112,151,330.90 : x
  2. Step 2: Convert to fraction form
    145,029,814.10/217,544,721.15 = 112,151,330.90/x
  3. Step 3: Cross multiply
    145,029,814.10x = 217,544,721.15 × 112,151,330.90
  4. Step 4: Simplify right side
    145,029,814.10x = 24,397,930,007,241,880
  5. Step 5: Solve for x
    x = 24,397,930,007,241,880/145,029,814.10
  6. Step 6: Final answer
    x = 168,226,996.35

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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.