Home / 147,181,816.80-220,772,725.20-89,644,471.20

Finding the Fourth Proportional to 147,181,816.80, 220,772,725.20 and 89,644,471.20

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Solution

The fourth proportional to 147,181,816.80, 220,772,725.20 and 89,644,471.20 is: 134,466,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,181,816.80 : 220,772,725.20 = 89,644,471.20 : x
  2. Step 2: Convert to fraction form
    147,181,816.80/220,772,725.20 = 89,644,471.20/x
  3. Step 3: Cross multiply
    147,181,816.80x = 220,772,725.20 × 89,644,471.20
  4. Step 4: Simplify right side
    147,181,816.80x = 19,791,054,205,936,912
  5. Step 5: Solve for x
    x = 19,791,054,205,936,912/147,181,816.80
  6. Step 6: Final answer
    x = 134,466,706.80

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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.