Home / 127,111,248.12-175,412,817.30-71,356,653.78

Finding the Fourth Proportional to 127,111,248.12, 175,412,817.30 and 71,356,653.78

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Solution

The fourth proportional to 127,111,248.12, 175,412,817.30 and 71,356,653.78 is: 98,471,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,111,248.12 : 175,412,817.30 = 71,356,653.78 : x
  2. Step 2: Convert to fraction form
    127,111,248.12/175,412,817.30 = 71,356,653.78/x
  3. Step 3: Cross multiply
    127,111,248.12x = 175,412,817.30 × 71,356,653.78
  4. Step 4: Simplify right side
    127,111,248.12x = 12,516,871,672,650,496
  5. Step 5: Solve for x
    x = 12,516,871,672,650,496/127,111,248.12
  6. Step 6: Final answer
    x = 98,471,786.39

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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.