Home / 48,861,985.76-67,435,522.64-28,235,431.96

Finding the Fourth Proportional to 48,861,985.76, 67,435,522.64 and 28,235,431.96

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Solution

The fourth proportional to 48,861,985.76, 67,435,522.64 and 28,235,431.96 is: 38,968,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,861,985.76 : 67,435,522.64 = 28,235,431.96 : x
  2. Step 2: Convert to fraction form
    48,861,985.76/67,435,522.64 = 28,235,431.96/x
  3. Step 3: Cross multiply
    48,861,985.76x = 67,435,522.64 × 28,235,431.96
  4. Step 4: Simplify right side
    48,861,985.76x = 1,904,071,111,188,759.75
  5. Step 5: Solve for x
    x = 1,904,071,111,188,759.75/48,861,985.76
  6. Step 6: Final answer
    x = 38,968,353.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.