Home / 57,385,972.80-86,246,920.80-49,995,662.40

Finding the Fourth Proportional to 57,385,972.80, 86,246,920.80 and 49,995,662.40

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Solution

The fourth proportional to 57,385,972.80, 86,246,920.80 and 49,995,662.40 is: 75,139,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385,972.80 : 86,246,920.80 = 49,995,662.40 : x
  2. Step 2: Convert to fraction form
    57,385,972.80/86,246,920.80 = 49,995,662.40/x
  3. Step 3: Cross multiply
    57,385,972.80x = 86,246,920.80 × 49,995,662.40
  4. Step 4: Simplify right side
    57,385,972.80x = 4,311,971,935,356,337.50
  5. Step 5: Solve for x
    x = 4,311,971,935,356,337.50/57,385,972.80
  6. Step 6: Final answer
    x = 75,139,824.68

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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.