Home / 108,974,402.80-163,380,247.80-65,834,515.60

Finding the Fourth Proportional to 108,974,402.80, 163,380,247.80 and 65,834,515.60

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Solution

The fourth proportional to 108,974,402.80, 163,380,247.80 and 65,834,515.60 is: 98,702,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,974,402.80 : 163,380,247.80 = 65,834,515.60 : x
  2. Step 2: Convert to fraction form
    108,974,402.80/163,380,247.80 = 65,834,515.60/x
  3. Step 3: Cross multiply
    108,974,402.80x = 163,380,247.80 × 65,834,515.60
  4. Step 4: Simplify right side
    108,974,402.80x = 10,756,059,472,520,966
  5. Step 5: Solve for x
    x = 10,756,059,472,520,966/108,974,402.80
  6. Step 6: Final answer
    x = 98,702,623.70

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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.