Home / 148,340,360.20-222,605,018.70-86,929,400.20

Finding the Fourth Proportional to 148,340,360.20, 222,605,018.70 and 86,929,400.20

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Solution

The fourth proportional to 148,340,360.20, 222,605,018.70 and 86,929,400.20 is: 130,449,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,340,360.20 : 222,605,018.70 = 86,929,400.20 : x
  2. Step 2: Convert to fraction form
    148,340,360.20/222,605,018.70 = 86,929,400.20/x
  3. Step 3: Cross multiply
    148,340,360.20x = 222,605,018.70 × 86,929,400.20
  4. Step 4: Simplify right side
    148,340,360.20x = 19,350,920,757,100,784
  5. Step 5: Solve for x
    x = 19,350,920,757,100,784/148,340,360.20
  6. Step 6: Final answer
    x = 130,449,465.88

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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.