Home / 67,944,569,968.80-101,900,504,875.68-20,781,451,062.48

Finding the Fourth Proportional to 67,944,569,968.80, 101,900,504,875.68 and 20,781,451,062.48

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Solution

The fourth proportional to 67,944,569,968.80, 101,900,504,875.68 and 20,781,451,062.48 is: 31,167,175,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,944,569,968.80 : 101,900,504,875.68 = 20,781,451,062.48 : x
  2. Step 2: Convert to fraction form
    67,944,569,968.80/101,900,504,875.68 = 20,781,451,062.48/x
  3. Step 3: Cross multiply
    67,944,569,968.80x = 101,900,504,875.68 × 20,781,451,062.48
  4. Step 4: Simplify right side
    67,944,569,968.80x = 2,117,640,355,315,948,453,888
  5. Step 5: Solve for x
    x = 2,117,640,355,315,948,453,888/67,944,569,968.80
  6. Step 6: Final answer
    x = 31,167,175,777.08

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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.