Home / 123,674,615.20-185,511,922.80-69,255,056.80

Finding the Fourth Proportional to 123,674,615.20, 185,511,922.80 and 69,255,056.80

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Solution

The fourth proportional to 123,674,615.20, 185,511,922.80 and 69,255,056.80 is: 103,882,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,674,615.20 : 185,511,922.80 = 69,255,056.80 : x
  2. Step 2: Convert to fraction form
    123,674,615.20/185,511,922.80 = 69,255,056.80/x
  3. Step 3: Cross multiply
    123,674,615.20x = 185,511,922.80 × 69,255,056.80
  4. Step 4: Simplify right side
    123,674,615.20x = 12,847,638,750,591,216
  5. Step 5: Solve for x
    x = 12,847,638,750,591,216/123,674,615.20
  6. Step 6: Final answer
    x = 103,882,585.20

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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.