Home / 151,834,292.12-227,655,735.06-128,813,288.60

Finding the Fourth Proportional to 151,834,292.12, 227,655,735.06 and 128,813,288.60

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Solution

The fourth proportional to 151,834,292.12, 227,655,735.06 and 128,813,288.60 is: 193,138,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,834,292.12 : 227,655,735.06 = 128,813,288.60 : x
  2. Step 2: Convert to fraction form
    151,834,292.12/227,655,735.06 = 128,813,288.60/x
  3. Step 3: Cross multiply
    151,834,292.12x = 227,655,735.06 × 128,813,288.60
  4. Step 4: Simplify right side
    151,834,292.12x = 29,325,083,901,728,916
  5. Step 5: Solve for x
    x = 29,325,083,901,728,916/151,834,292.12
  6. Step 6: Final answer
    x = 193,138,740.22

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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.