Home / 72,344,419.40-108,516,629.10-58,739,529.80

Finding the Fourth Proportional to 72,344,419.40, 108,516,629.10 and 58,739,529.80

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Solution

The fourth proportional to 72,344,419.40, 108,516,629.10 and 58,739,529.80 is: 88,109,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344,419.40 : 108,516,629.10 = 58,739,529.80 : x
  2. Step 2: Convert to fraction form
    72,344,419.40/108,516,629.10 = 58,739,529.80/x
  3. Step 3: Cross multiply
    72,344,419.40x = 108,516,629.10 × 58,739,529.80
  4. Step 4: Simplify right side
    72,344,419.40x = 6,374,215,768,814,997
  5. Step 5: Solve for x
    x = 6,374,215,768,814,997/72,344,419.40
  6. Step 6: Final answer
    x = 88,109,294.70

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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.