Home / 177,966,947.60-266,950,421.40-129,216,093.20

Finding the Fourth Proportional to 177,966,947.60, 266,950,421.40 and 129,216,093.20

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Solution

The fourth proportional to 177,966,947.60, 266,950,421.40 and 129,216,093.20 is: 193,824,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,966,947.60 : 266,950,421.40 = 129,216,093.20 : x
  2. Step 2: Convert to fraction form
    177,966,947.60/266,950,421.40 = 129,216,093.20/x
  3. Step 3: Cross multiply
    177,966,947.60x = 266,950,421.40 × 129,216,093.20
  4. Step 4: Simplify right side
    177,966,947.60x = 34,494,290,531,401,676
  5. Step 5: Solve for x
    x = 34,494,290,531,401,676/177,966,947.60
  6. Step 6: Final answer
    x = 193,824,139.80

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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.