Home / 127,254,219.70-175,610,972.14-72,250,076.20

Finding the Fourth Proportional to 127,254,219.70, 175,610,972.14 and 72,250,076.20

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Solution

The fourth proportional to 127,254,219.70, 175,610,972.14 and 72,250,076.20 is: 99,705,189.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,254,219.70 : 175,610,972.14 = 72,250,076.20 : x
  2. Step 2: Convert to fraction form
    127,254,219.70/175,610,972.14 = 72,250,076.20/x
  3. Step 3: Cross multiply
    127,254,219.70x = 175,610,972.14 × 72,250,076.20
  4. Step 4: Simplify right side
    127,254,219.70x = 12,687,906,118,671,076
  5. Step 5: Solve for x
    x = 12,687,906,118,671,076/127,254,219.70
  6. Step 6: Final answer
    x = 99,705,189.73

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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.