Home / 127,923,606.30-191,727,945.45-86,982,966.30

Finding the Fourth Proportional to 127,923,606.30, 191,727,945.45 and 86,982,966.30

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Solution

The fourth proportional to 127,923,606.30, 191,727,945.45 and 86,982,966.30 is: 130,367,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,923,606.30 : 191,727,945.45 = 86,982,966.30 : x
  2. Step 2: Convert to fraction form
    127,923,606.30/191,727,945.45 = 86,982,966.30/x
  3. Step 3: Cross multiply
    127,923,606.30x = 191,727,945.45 × 86,982,966.30
  4. Step 4: Simplify right side
    127,923,606.30x = 16,677,065,417,845,586
  5. Step 5: Solve for x
    x = 16,677,065,417,845,586/127,923,606.30
  6. Step 6: Final answer
    x = 130,367,380.19

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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.