Home / 60,471,999.60-90,707,999.40-55,181,209.20

Finding the Fourth Proportional to 60,471,999.60, 90,707,999.40 and 55,181,209.20

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Solution

The fourth proportional to 60,471,999.60, 90,707,999.40 and 55,181,209.20 is: 82,771,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,471,999.60 : 90,707,999.40 = 55,181,209.20 : x
  2. Step 2: Convert to fraction form
    60,471,999.60/90,707,999.40 = 55,181,209.20/x
  3. Step 3: Cross multiply
    60,471,999.60x = 90,707,999.40 × 55,181,209.20
  4. Step 4: Simplify right side
    60,471,999.60x = 5,005,377,091,004,875
  5. Step 5: Solve for x
    x = 5,005,377,091,004,875/60,471,999.60
  6. Step 6: Final answer
    x = 82,771,813.80

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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.