Home / 147,181,835.80-220,772,753.70-89,644,490.20

Finding the Fourth Proportional to 147,181,835.80, 220,772,753.70 and 89,644,490.20

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Solution

The fourth proportional to 147,181,835.80, 220,772,753.70 and 89,644,490.20 is: 134,466,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,181,835.80 : 220,772,753.70 = 89,644,490.20 : x
  2. Step 2: Convert to fraction form
    147,181,835.80/220,772,753.70 = 89,644,490.20/x
  3. Step 3: Cross multiply
    147,181,835.80x = 220,772,753.70 × 89,644,490.20
  4. Step 4: Simplify right side
    147,181,835.80x = 19,791,060,955,486,664
  5. Step 5: Solve for x
    x = 19,791,060,955,486,664/147,181,835.80
  6. Step 6: Final answer
    x = 134,466,735.30

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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.