Home / 72,344,420.40-108,516,630.60-58,739,530.80

Finding the Fourth Proportional to 72,344,420.40, 108,516,630.60 and 58,739,530.80

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Solution

The fourth proportional to 72,344,420.40, 108,516,630.60 and 58,739,530.80 is: 88,109,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344,420.40 : 108,516,630.60 = 58,739,530.80 : x
  2. Step 2: Convert to fraction form
    72,344,420.40/108,516,630.60 = 58,739,530.80/x
  3. Step 3: Cross multiply
    72,344,420.40x = 108,516,630.60 × 58,739,530.80
  4. Step 4: Simplify right side
    72,344,420.40x = 6,374,215,965,440,922
  5. Step 5: Solve for x
    x = 6,374,215,965,440,922/72,344,420.40
  6. Step 6: Final answer
    x = 88,109,296.20

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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.