Home / 144,854,207.70-217,281,311.55-76,829,759.70

Finding the Fourth Proportional to 144,854,207.70, 217,281,311.55 and 76,829,759.70

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Solution

The fourth proportional to 144,854,207.70, 217,281,311.55 and 76,829,759.70 is: 115,244,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,854,207.70 : 217,281,311.55 = 76,829,759.70 : x
  2. Step 2: Convert to fraction form
    144,854,207.70/217,281,311.55 = 76,829,759.70/x
  3. Step 3: Cross multiply
    144,854,207.70x = 217,281,311.55 × 76,829,759.70
  4. Step 4: Simplify right side
    144,854,207.70x = 16,693,670,953,687,336
  5. Step 5: Solve for x
    x = 16,693,670,953,687,336/144,854,207.70
  6. Step 6: Final answer
    x = 115,244,639.55

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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.