Home / 151,834,291.12-227,655,733.56-128,813,287.60

Finding the Fourth Proportional to 151,834,291.12, 227,655,733.56 and 128,813,287.60

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Solution

The fourth proportional to 151,834,291.12, 227,655,733.56 and 128,813,287.60 is: 193,138,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,834,291.12 : 227,655,733.56 = 128,813,287.60 : x
  2. Step 2: Convert to fraction form
    151,834,291.12/227,655,733.56 = 128,813,287.60/x
  3. Step 3: Cross multiply
    151,834,291.12x = 227,655,733.56 × 128,813,287.60
  4. Step 4: Simplify right side
    151,834,291.12x = 29,325,083,480,853,252
  5. Step 5: Solve for x
    x = 29,325,083,480,853,252/151,834,291.12
  6. Step 6: Final answer
    x = 193,138,738.72

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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.