Home / 135,657,946.80-203,486,920.20-84,001,881.60

Finding the Fourth Proportional to 135,657,946.80, 203,486,920.20 and 84,001,881.60

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Solution

The fourth proportional to 135,657,946.80, 203,486,920.20 and 84,001,881.60 is: 126,002,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,657,946.80 : 203,486,920.20 = 84,001,881.60 : x
  2. Step 2: Convert to fraction form
    135,657,946.80/203,486,920.20 = 84,001,881.60/x
  3. Step 3: Cross multiply
    135,657,946.80x = 203,486,920.20 × 84,001,881.60
  4. Step 4: Simplify right side
    135,657,946.80x = 17,093,284,177,789,046
  5. Step 5: Solve for x
    x = 17,093,284,177,789,046/135,657,946.80
  6. Step 6: Final answer
    x = 126,002,822.40

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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.