Home / 65,204,426.80-97,806,640.20-19,760,316.40

Finding the Fourth Proportional to 65,204,426.80, 97,806,640.20 and 19,760,316.40

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Solution

The fourth proportional to 65,204,426.80, 97,806,640.20 and 19,760,316.40 is: 29,640,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204,426.80 : 97,806,640.20 = 19,760,316.40 : x
  2. Step 2: Convert to fraction form
    65,204,426.80/97,806,640.20 = 19,760,316.40/x
  3. Step 3: Cross multiply
    65,204,426.80x = 97,806,640.20 × 19,760,316.40
  4. Step 4: Simplify right side
    65,204,426.80x = 1,932,690,156,372,959.25
  5. Step 5: Solve for x
    x = 1,932,690,156,372,959.25/65,204,426.80
  6. Step 6: Final answer
    x = 29,640,474.60

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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.