Home / 69,250,739.60-103,739,251.80-60,740,685.20

Finding the Fourth Proportional to 69,250,739.60, 103,739,251.80 and 60,740,685.20

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Solution

The fourth proportional to 69,250,739.60, 103,739,251.80 and 60,740,685.20 is: 90,990,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,250,739.60 : 103,739,251.80 = 60,740,685.20 : x
  2. Step 2: Convert to fraction form
    69,250,739.60/103,739,251.80 = 60,740,685.20/x
  3. Step 3: Cross multiply
    69,250,739.60x = 103,739,251.80 × 60,740,685.20
  4. Step 4: Simplify right side
    69,250,739.60x = 6,301,193,236,467,333
  5. Step 5: Solve for x
    x = 6,301,193,236,467,333/69,250,739.60
  6. Step 6: Final answer
    x = 90,990,988.30

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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.