Home / 144,142,459.20-198,936,384.48-88,378,015.68

Finding the Fourth Proportional to 144,142,459.20, 198,936,384.48 and 88,378,015.68

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Solution

The fourth proportional to 144,142,459.20, 198,936,384.48 and 88,378,015.68 is: 121,973,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,142,459.20 : 198,936,384.48 = 88,378,015.68 : x
  2. Step 2: Convert to fraction form
    144,142,459.20/198,936,384.48 = 88,378,015.68/x
  3. Step 3: Cross multiply
    144,142,459.20x = 198,936,384.48 × 88,378,015.68
  4. Step 4: Simplify right side
    144,142,459.20x = 17,581,602,906,895,950
  5. Step 5: Solve for x
    x = 17,581,602,906,895,950/144,142,459.20
  6. Step 6: Final answer
    x = 121,973,795.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.