Home / 80,827,713.70-121,241,570.55-39,906,756.70

Finding the Fourth Proportional to 80,827,713.70, 121,241,570.55 and 39,906,756.70

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Solution

The fourth proportional to 80,827,713.70, 121,241,570.55 and 39,906,756.70 is: 59,860,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827,713.70 : 121,241,570.55 = 39,906,756.70 : x
  2. Step 2: Convert to fraction form
    80,827,713.70/121,241,570.55 = 39,906,756.70/x
  3. Step 3: Cross multiply
    80,827,713.70x = 121,241,570.55 × 39,906,756.70
  4. Step 4: Simplify right side
    80,827,713.70x = 4,838,357,857,864,735
  5. Step 5: Solve for x
    x = 4,838,357,857,864,735/80,827,713.70
  6. Step 6: Final answer
    x = 59,860,135.05

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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.