Home / 127,854,774.28-176,456,857.62-72,111,629.80

Finding the Fourth Proportional to 127,854,774.28, 176,456,857.62 and 72,111,629.80

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Solution

The fourth proportional to 127,854,774.28, 176,456,857.62 and 72,111,629.80 is: 99,523,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,854,774.28 : 176,456,857.62 = 72,111,629.80 : x
  2. Step 2: Convert to fraction form
    127,854,774.28/176,456,857.62 = 72,111,629.80/x
  3. Step 3: Cross multiply
    127,854,774.28x = 176,456,857.62 × 72,111,629.80
  4. Step 4: Simplify right side
    127,854,774.28x = 12,724,591,592,364,748
  5. Step 5: Solve for x
    x = 12,724,591,592,364,748/127,854,774.28
  6. Step 6: Final answer
    x = 99,523,789.11

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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.