Home / 96,772,660.80-145,158,991.20-83,634,331.20

Finding the Fourth Proportional to 96,772,660.80, 145,158,991.20 and 83,634,331.20

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Solution

The fourth proportional to 96,772,660.80, 145,158,991.20 and 83,634,331.20 is: 125,451,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772,660.80 : 145,158,991.20 = 83,634,331.20 : x
  2. Step 2: Convert to fraction form
    96,772,660.80/145,158,991.20 = 83,634,331.20/x
  3. Step 3: Cross multiply
    96,772,660.80x = 145,158,991.20 × 83,634,331.20
  4. Step 4: Simplify right side
    96,772,660.80x = 12,140,275,146,678,684
  5. Step 5: Solve for x
    x = 12,140,275,146,678,684/96,772,660.80
  6. Step 6: Final answer
    x = 125,451,496.80

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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.