Home / 148,176,019.20-222,264,028.80-40,470,643.20

Finding the Fourth Proportional to 148,176,019.20, 222,264,028.80 and 40,470,643.20

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Solution

The fourth proportional to 148,176,019.20, 222,264,028.80 and 40,470,643.20 is: 60,705,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,176,019.20 : 222,264,028.80 = 40,470,643.20 : x
  2. Step 2: Convert to fraction form
    148,176,019.20/222,264,028.80 = 40,470,643.20/x
  3. Step 3: Cross multiply
    148,176,019.20x = 222,264,028.80 × 40,470,643.20
  4. Step 4: Simplify right side
    148,176,019.20x = 8,995,168,205,759,325
  5. Step 5: Solve for x
    x = 8,995,168,205,759,325/148,176,019.20
  6. Step 6: Final answer
    x = 60,705,964.80

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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.