Home / 168,806,077.70-253,173,686.52-47,609,186.18

Finding the Fourth Proportional to 168,806,077.70, 253,173,686.52 and 47,609,186.18

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Solution

The fourth proportional to 168,806,077.70, 253,173,686.52 and 47,609,186.18 is: 71,403,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806,077.70 : 253,173,686.52 = 47,609,186.18 : x
  2. Step 2: Convert to fraction form
    168,806,077.70/253,173,686.52 = 47,609,186.18/x
  3. Step 3: Cross multiply
    168,806,077.70x = 253,173,686.52 × 47,609,186.18
  4. Step 4: Simplify right side
    168,806,077.70x = 12,053,393,177,407,636
  5. Step 5: Solve for x
    x = 12,053,393,177,407,636/168,806,077.70
  6. Step 6: Final answer
    x = 71,403,786.77

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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.