Home / 69,250,743.60-103,739,257.80-60,740,689.20

Finding the Fourth Proportional to 69,250,743.60, 103,739,257.80 and 60,740,689.20

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Solution

The fourth proportional to 69,250,743.60, 103,739,257.80 and 60,740,689.20 is: 90,990,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,250,743.60 : 103,739,257.80 = 60,740,689.20 : x
  2. Step 2: Convert to fraction form
    69,250,743.60/103,739,257.80 = 60,740,689.20/x
  3. Step 3: Cross multiply
    69,250,743.60x = 103,739,257.80 × 60,740,689.20
  4. Step 4: Simplify right side
    69,250,743.60x = 6,301,194,015,868,476
  5. Step 5: Solve for x
    x = 6,301,194,015,868,476/69,250,743.60
  6. Step 6: Final answer
    x = 90,990,994.30

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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.