Home / 109,283,301.20-163,712,375.40-66,024,003.80

Finding the Fourth Proportional to 109,283,301.20, 163,712,375.40 and 66,024,003.80

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Solution

The fourth proportional to 109,283,301.20, 163,712,375.40 and 66,024,003.80 is: 98,907,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,283,301.20 : 163,712,375.40 = 66,024,003.80 : x
  2. Step 2: Convert to fraction form
    109,283,301.20/163,712,375.40 = 66,024,003.80/x
  3. Step 3: Cross multiply
    109,283,301.20x = 163,712,375.40 × 66,024,003.80
  4. Step 4: Simplify right side
    109,283,301.20x = 10,808,946,495,516,626
  5. Step 5: Solve for x
    x = 10,808,946,495,516,626/109,283,301.20
  6. Step 6: Final answer
    x = 98,907,576.70

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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.