Home / 144,854,141.20-217,281,211.80-76,829,693.20

Finding the Fourth Proportional to 144,854,141.20, 217,281,211.80 and 76,829,693.20

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Solution

The fourth proportional to 144,854,141.20, 217,281,211.80 and 76,829,693.20 is: 115,244,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,854,141.20 : 217,281,211.80 = 76,829,693.20 : x
  2. Step 2: Convert to fraction form
    144,854,141.20/217,281,211.80 = 76,829,693.20/x
  3. Step 3: Cross multiply
    144,854,141.20x = 217,281,211.80 × 76,829,693.20
  4. Step 4: Simplify right side
    144,854,141.20x = 16,693,648,840,718,222
  5. Step 5: Solve for x
    x = 16,693,648,840,718,222/144,854,141.20
  6. Step 6: Final answer
    x = 115,244,539.80

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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.