Home / 149,367,549,687.76-206,127,835,351.20-80,778,961,316.80

Finding the Fourth Proportional to 149,367,549,687.76, 206,127,835,351.20 and 80,778,961,316.80

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Solution

The fourth proportional to 149,367,549,687.76, 206,127,835,351.20 and 80,778,961,316.80 is: 111,475,300,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,367,549,687.76 : 206,127,835,351.20 = 80,778,961,316.80 : x
  2. Step 2: Convert to fraction form
    149,367,549,687.76/206,127,835,351.20 = 80,778,961,316.80/x
  3. Step 3: Cross multiply
    149,367,549,687.76x = 206,127,835,351.20 × 80,778,961,316.80
  4. Step 4: Simplify right side
    149,367,549,687.76x = 16,650,792,438,150,306,201,600
  5. Step 5: Solve for x
    x = 16,650,792,438,150,306,201,600/149,367,549,687.76
  6. Step 6: Final answer
    x = 111,475,300,177.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.