Home / 163,646,840.52-225,837,423.20-89,312,171.83

Finding the Fourth Proportional to 163,646,840.52, 225,837,423.20 and 89,312,171.83

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Solution

The fourth proportional to 163,646,840.52, 225,837,423.20 and 89,312,171.83 is: 123,253,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,646,840.52 : 225,837,423.20 = 89,312,171.83 : x
  2. Step 2: Convert to fraction form
    163,646,840.52/225,837,423.20 = 89,312,171.83/x
  3. Step 3: Cross multiply
    163,646,840.52x = 225,837,423.20 × 89,312,171.83
  4. Step 4: Simplify right side
    163,646,840.52x = 20,170,030,746,482,828
  5. Step 5: Solve for x
    x = 20,170,030,746,482,828/163,646,840.52
  6. Step 6: Final answer
    x = 123,253,407.66

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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.