Home / 90,503,322.60-124,884,410.32-53,331,189.76

Finding the Fourth Proportional to 90,503,322.60, 124,884,410.32 and 53,331,189.76

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Solution

The fourth proportional to 90,503,322.60, 124,884,410.32 and 53,331,189.76 is: 73,591,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503,322.60 : 124,884,410.32 = 53,331,189.76 : x
  2. Step 2: Convert to fraction form
    90,503,322.60/124,884,410.32 = 53,331,189.76/x
  3. Step 3: Cross multiply
    90,503,322.60x = 124,884,410.32 × 53,331,189.76
  4. Step 4: Simplify right side
    90,503,322.60x = 6,660,234,184,841,622
  5. Step 5: Solve for x
    x = 6,660,234,184,841,622/90,503,322.60
  6. Step 6: Final answer
    x = 73,591,046.09

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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.