Home / 81,123,503.04-121,603,373.28-50,852,623.68

Finding the Fourth Proportional to 81,123,503.04, 121,603,373.28 and 50,852,623.68

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Solution

The fourth proportional to 81,123,503.04, 121,603,373.28 and 50,852,623.68 is: 76,227,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,123,503.04 : 121,603,373.28 = 50,852,623.68 : x
  2. Step 2: Convert to fraction form
    81,123,503.04/121,603,373.28 = 50,852,623.68/x
  3. Step 3: Cross multiply
    81,123,503.04x = 121,603,373.28 × 50,852,623.68
  4. Step 4: Simplify right side
    81,123,503.04x = 6,183,850,579,626,407
  5. Step 5: Solve for x
    x = 6,183,850,579,626,407/81,123,503.04
  6. Step 6: Final answer
    x = 76,227,607.88

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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.