Home / 147,181,840.80-220,772,761.20-89,644,495.20

Finding the Fourth Proportional to 147,181,840.80, 220,772,761.20 and 89,644,495.20

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Solution

The fourth proportional to 147,181,840.80, 220,772,761.20 and 89,644,495.20 is: 134,466,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,181,840.80 : 220,772,761.20 = 89,644,495.20 : x
  2. Step 2: Convert to fraction form
    147,181,840.80/220,772,761.20 = 89,644,495.20/x
  3. Step 3: Cross multiply
    147,181,840.80x = 220,772,761.20 × 89,644,495.20
  4. Step 4: Simplify right side
    147,181,840.80x = 19,791,062,731,684,144
  5. Step 5: Solve for x
    x = 19,791,062,731,684,144/147,181,840.80
  6. Step 6: Final answer
    x = 134,466,742.80

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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.