Home / 151,268,236.11-208,750,598.19-87,700,928.85

Finding the Fourth Proportional to 151,268,236.11, 208,750,598.19 and 87,700,928.85

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Solution

The fourth proportional to 151,268,236.11, 208,750,598.19 and 87,700,928.85 is: 121,027,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,268,236.11 : 208,750,598.19 = 87,700,928.85 : x
  2. Step 2: Convert to fraction form
    151,268,236.11/208,750,598.19 = 87,700,928.85/x
  3. Step 3: Cross multiply
    151,268,236.11x = 208,750,598.19 × 87,700,928.85
  4. Step 4: Simplify right side
    151,268,236.11x = 18,307,621,359,256,128
  5. Step 5: Solve for x
    x = 18,307,621,359,256,128/151,268,236.11
  6. Step 6: Final answer
    x = 121,027,532.48

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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.