Home / 72,525,148.56-108,719,329.68-36,099,099.72

Finding the Fourth Proportional to 72,525,148.56, 108,719,329.68 and 36,099,099.72

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Solution

The fourth proportional to 72,525,148.56, 108,719,329.68 and 36,099,099.72 is: 54,114,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,525,148.56 : 108,719,329.68 = 36,099,099.72 : x
  2. Step 2: Convert to fraction form
    72,525,148.56/108,719,329.68 = 36,099,099.72/x
  3. Step 3: Cross multiply
    72,525,148.56x = 108,719,329.68 × 36,099,099.72
  4. Step 4: Simplify right side
    72,525,148.56x = 3,924,669,923,609,876
  5. Step 5: Solve for x
    x = 3,924,669,923,609,876/72,525,148.56
  6. Step 6: Final answer
    x = 54,114,607.16

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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.