Home / 66,442,631.60-99,474,990.60-51,200,116.40

Finding the Fourth Proportional to 66,442,631.60, 99,474,990.60 and 51,200,116.40

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Solution

The fourth proportional to 66,442,631.60, 99,474,990.60 and 51,200,116.40 is: 76,654,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442,631.60 : 99,474,990.60 = 51,200,116.40 : x
  2. Step 2: Convert to fraction form
    66,442,631.60/99,474,990.60 = 51,200,116.40/x
  3. Step 3: Cross multiply
    66,442,631.60x = 99,474,990.60 × 51,200,116.40
  4. Step 4: Simplify right side
    66,442,631.60x = 5,093,131,097,608,905
  5. Step 5: Solve for x
    x = 5,093,131,097,608,905/66,442,631.60
  6. Step 6: Final answer
    x = 76,654,566.13

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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.