Home / 147,181,819.80-220,772,729.70-89,644,474.20

Finding the Fourth Proportional to 147,181,819.80, 220,772,729.70 and 89,644,474.20

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Solution

The fourth proportional to 147,181,819.80, 220,772,729.70 and 89,644,474.20 is: 134,466,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,181,819.80 : 220,772,729.70 = 89,644,474.20 : x
  2. Step 2: Convert to fraction form
    147,181,819.80/220,772,729.70 = 89,644,474.20/x
  3. Step 3: Cross multiply
    147,181,819.80x = 220,772,729.70 × 89,644,474.20
  4. Step 4: Simplify right side
    147,181,819.80x = 19,791,055,271,655,224
  5. Step 5: Solve for x
    x = 19,791,055,271,655,224/147,181,819.80
  6. Step 6: Final answer
    x = 134,466,711.30

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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.