Home / 243,580,112.54-365,351,792.43-77,576,909.30

Finding the Fourth Proportional to 243,580,112.54, 365,351,792.43 and 77,576,909.30

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Solution

The fourth proportional to 243,580,112.54, 365,351,792.43 and 77,576,909.30 is: 116,359,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,580,112.54 : 365,351,792.43 = 77,576,909.30 : x
  2. Step 2: Convert to fraction form
    243,580,112.54/365,351,792.43 = 77,576,909.30/x
  3. Step 3: Cross multiply
    243,580,112.54x = 365,351,792.43 × 77,576,909.30
  4. Step 4: Simplify right side
    243,580,112.54x = 28,342,862,863,934,536
  5. Step 5: Solve for x
    x = 28,342,862,863,934,536/243,580,112.54
  6. Step 6: Final answer
    x = 116,359,511.33

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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.