Home / 163,730,616.57-225,947,081.02-89,391,174.68

Finding the Fourth Proportional to 163,730,616.57, 225,947,081.02 and 89,391,174.68

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Solution

The fourth proportional to 163,730,616.57, 225,947,081.02 and 89,391,174.68 is: 123,359,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730,616.57 : 225,947,081.02 = 89,391,174.68 : x
  2. Step 2: Convert to fraction form
    163,730,616.57/225,947,081.02 = 89,391,174.68/x
  3. Step 3: Cross multiply
    163,730,616.57x = 225,947,081.02 × 89,391,174.68
  4. Step 4: Simplify right side
    163,730,616.57x = 20,197,674,987,106,588
  5. Step 5: Solve for x
    x = 20,197,674,987,106,588/163,730,616.57
  6. Step 6: Final answer
    x = 123,359,182.36

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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.