Home / 96,778,906.80-145,168,360.20-79,772,794.80

Finding the Fourth Proportional to 96,778,906.80, 145,168,360.20 and 79,772,794.80

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Solution

The fourth proportional to 96,778,906.80, 145,168,360.20 and 79,772,794.80 is: 119,659,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,778,906.80 : 145,168,360.20 = 79,772,794.80 : x
  2. Step 2: Convert to fraction form
    96,778,906.80/145,168,360.20 = 79,772,794.80/x
  3. Step 3: Cross multiply
    96,778,906.80x = 145,168,360.20 × 79,772,794.80
  4. Step 4: Simplify right side
    96,778,906.80x = 11,580,485,809,687,086
  5. Step 5: Solve for x
    x = 11,580,485,809,687,086/96,778,906.80
  6. Step 6: Final answer
    x = 119,659,192.20

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1.5x scale

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.