Home / 167,975,100-231,805,641.24-90,712,764

Finding the Fourth Proportional to 167,975,100, 231,805,641.24 and 90,712,764

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Solution

The fourth proportional to 167,975,100, 231,805,641.24 and 90,712,764 is: 125,183,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975,100 : 231,805,641.24 = 90,712,764 : x
  2. Step 2: Convert to fraction form
    167,975,100/231,805,641.24 = 90,712,764/x
  3. Step 3: Cross multiply
    167,975,100x = 231,805,641.24 × 90,712,764
  4. Step 4: Simplify right side
    167,975,100x = 21,027,730,427,672,788
  5. Step 5: Solve for x
    x = 21,027,730,427,672,788/167,975,100
  6. Step 6: Final answer
    x = 125,183,616.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.