Home / 265,727,801.40-398,591,702.10-83,974,979.40

Finding the Fourth Proportional to 265,727,801.40, 398,591,702.10 and 83,974,979.40

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Solution

The fourth proportional to 265,727,801.40, 398,591,702.10 and 83,974,979.40 is: 125,962,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,727,801.40 : 398,591,702.10 = 83,974,979.40 : x
  2. Step 2: Convert to fraction form
    265,727,801.40/398,591,702.10 = 83,974,979.40/x
  3. Step 3: Cross multiply
    265,727,801.40x = 398,591,702.10 × 83,974,979.40
  4. Step 4: Simplify right side
    265,727,801.40x = 33,471,729,972,858,440
  5. Step 5: Solve for x
    x = 33,471,729,972,858,440/265,727,801.40
  6. Step 6: Final answer
    x = 125,962,469.10

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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.