Home / 57,762,508.32-79,666,344.72-49,089,391.20

Finding the Fourth Proportional to 57,762,508.32, 79,666,344.72 and 49,089,391.20

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Solution

The fourth proportional to 57,762,508.32, 79,666,344.72 and 49,089,391.20 is: 67,704,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762,508.32 : 79,666,344.72 = 49,089,391.20 : x
  2. Step 2: Convert to fraction form
    57,762,508.32/79,666,344.72 = 49,089,391.20/x
  3. Step 3: Cross multiply
    57,762,508.32x = 79,666,344.72 × 49,089,391.20
  4. Step 4: Simplify right side
    57,762,508.32x = 3,910,772,361,434,134.50
  5. Step 5: Solve for x
    x = 3,910,772,361,434,134.50/57,762,508.32
  6. Step 6: Final answer
    x = 67,704,337.56

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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.