Home / 168,806,040.70-253,173,631.02-47,609,149.18

Finding the Fourth Proportional to 168,806,040.70, 253,173,631.02 and 47,609,149.18

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Solution

The fourth proportional to 168,806,040.70, 253,173,631.02 and 47,609,149.18 is: 71,403,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806,040.70 : 253,173,631.02 = 47,609,149.18 : x
  2. Step 2: Convert to fraction form
    168,806,040.70/253,173,631.02 = 47,609,149.18/x
  3. Step 3: Cross multiply
    168,806,040.70x = 253,173,631.02 × 47,609,149.18
  4. Step 4: Simplify right side
    168,806,040.70x = 12,053,381,167,673,456
  5. Step 5: Solve for x
    x = 12,053,381,167,673,456/168,806,040.70
  6. Step 6: Final answer
    x = 71,403,731.27

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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.