Home / 104,390,161.20-156,585,241.80-89,722,389.60

Finding the Fourth Proportional to 104,390,161.20, 156,585,241.80 and 89,722,389.60

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Solution

The fourth proportional to 104,390,161.20, 156,585,241.80 and 89,722,389.60 is: 134,583,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,390,161.20 : 156,585,241.80 = 89,722,389.60 : x
  2. Step 2: Convert to fraction form
    104,390,161.20/156,585,241.80 = 89,722,389.60/x
  3. Step 3: Cross multiply
    104,390,161.20x = 156,585,241.80 × 89,722,389.60
  4. Step 4: Simplify right side
    104,390,161.20x = 14,049,202,070,389,806
  5. Step 5: Solve for x
    x = 14,049,202,070,389,806/104,390,161.20
  6. Step 6: Final answer
    x = 134,583,584.40

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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.