Home / 168,829,279.36-253,236,073.92-70,420,370.56

Finding the Fourth Proportional to 168,829,279.36, 253,236,073.92 and 70,420,370.56

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Solution

The fourth proportional to 168,829,279.36, 253,236,073.92 and 70,420,370.56 is: 105,627,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,829,279.36 : 253,236,073.92 = 70,420,370.56 : x
  2. Step 2: Convert to fraction form
    168,829,279.36/253,236,073.92 = 70,420,370.56/x
  3. Step 3: Cross multiply
    168,829,279.36x = 253,236,073.92 × 70,420,370.56
  4. Step 4: Simplify right side
    168,829,279.36x = 17,832,978,164,605,952
  5. Step 5: Solve for x
    x = 17,832,978,164,605,952/168,829,279.36
  6. Step 6: Final answer
    x = 105,627,283.56

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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.