Home / 105,177,877.20-157,766,815.80-71,204,014.80

Finding the Fourth Proportional to 105,177,877.20, 157,766,815.80 and 71,204,014.80

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Solution

The fourth proportional to 105,177,877.20, 157,766,815.80 and 71,204,014.80 is: 106,806,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,177,877.20 : 157,766,815.80 = 71,204,014.80 : x
  2. Step 2: Convert to fraction form
    105,177,877.20/157,766,815.80 = 71,204,014.80/x
  3. Step 3: Cross multiply
    105,177,877.20x = 157,766,815.80 × 71,204,014.80
  4. Step 4: Simplify right side
    105,177,877.20x = 11,233,630,687,172,074
  5. Step 5: Solve for x
    x = 11,233,630,687,172,074/105,177,877.20
  6. Step 6: Final answer
    x = 106,806,022.20

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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.