Home / 81,567,066.80-122,350,600.20-49,318,439.60

Finding the Fourth Proportional to 81,567,066.80, 122,350,600.20 and 49,318,439.60

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Solution

The fourth proportional to 81,567,066.80, 122,350,600.20 and 49,318,439.60 is: 73,977,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,567,066.80 : 122,350,600.20 = 49,318,439.60 : x
  2. Step 2: Convert to fraction form
    81,567,066.80/122,350,600.20 = 49,318,439.60/x
  3. Step 3: Cross multiply
    81,567,066.80x = 122,350,600.20 × 49,318,439.60
  4. Step 4: Simplify right side
    81,567,066.80x = 6,034,140,685,987,448
  5. Step 5: Solve for x
    x = 6,034,140,685,987,448/81,567,066.80
  6. Step 6: Final answer
    x = 73,977,659.40

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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.