Home / 76,176,077.20-114,264,115.80-40,344,269.20

Finding the Fourth Proportional to 76,176,077.20, 114,264,115.80 and 40,344,269.20

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Solution

The fourth proportional to 76,176,077.20, 114,264,115.80 and 40,344,269.20 is: 60,516,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176,077.20 : 114,264,115.80 = 40,344,269.20 : x
  2. Step 2: Convert to fraction form
    76,176,077.20/114,264,115.80 = 40,344,269.20/x
  3. Step 3: Cross multiply
    76,176,077.20x = 114,264,115.80 × 40,344,269.20
  4. Step 4: Simplify right side
    76,176,077.20x = 4,609,902,247,735,174
  5. Step 5: Solve for x
    x = 4,609,902,247,735,174/76,176,077.20
  6. Step 6: Final answer
    x = 60,516,403.80

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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.