Home / 177,414,140.80-266,121,211.20-86,595,990.40

Finding the Fourth Proportional to 177,414,140.80, 266,121,211.20 and 86,595,990.40

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Solution

The fourth proportional to 177,414,140.80, 266,121,211.20 and 86,595,990.40 is: 129,893,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,414,140.80 : 266,121,211.20 = 86,595,990.40 : x
  2. Step 2: Convert to fraction form
    177,414,140.80/266,121,211.20 = 86,595,990.40/x
  3. Step 3: Cross multiply
    177,414,140.80x = 266,121,211.20 × 86,595,990.40
  4. Step 4: Simplify right side
    177,414,140.80x = 23,045,029,850,311,572
  5. Step 5: Solve for x
    x = 23,045,029,850,311,572/177,414,140.80
  6. Step 6: Final answer
    x = 129,893,985.60

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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.