Home / 298,912,549.05-448,338,551.13-80,584,960.95

Finding the Fourth Proportional to 298,912,549.05, 448,338,551.13 and 80,584,960.95

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Solution

The fourth proportional to 298,912,549.05, 448,338,551.13 and 80,584,960.95 is: 120,869,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,912,549.05 : 448,338,551.13 = 80,584,960.95 : x
  2. Step 2: Convert to fraction form
    298,912,549.05/448,338,551.13 = 80,584,960.95/x
  3. Step 3: Cross multiply
    298,912,549.05x = 448,338,551.13 × 80,584,960.95
  4. Step 4: Simplify right side
    298,912,549.05x = 36,129,344,635,190,632
  5. Step 5: Solve for x
    x = 36,129,344,635,190,632/298,912,549.05
  6. Step 6: Final answer
    x = 120,869,280.16

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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.