Home / 147,190,551.40-220,785,032.04-84,901,493.60

Finding the Fourth Proportional to 147,190,551.40, 220,785,032.04 and 84,901,493.60

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Solution

The fourth proportional to 147,190,551.40, 220,785,032.04 and 84,901,493.60 is: 127,351,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,190,551.40 : 220,785,032.04 = 84,901,493.60 : x
  2. Step 2: Convert to fraction form
    147,190,551.40/220,785,032.04 = 84,901,493.60/x
  3. Step 3: Cross multiply
    147,190,551.40x = 220,785,032.04 × 84,901,493.60
  4. Step 4: Simplify right side
    147,190,551.40x = 18,744,978,984,719,852
  5. Step 5: Solve for x
    x = 18,744,978,984,719,852/147,190,551.40
  6. Step 6: Final answer
    x = 127,351,781.80

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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.