Home / 302,702,367.40-417,729,251.02-163,473,115.75

Finding the Fourth Proportional to 302,702,367.40, 417,729,251.02 and 163,473,115.75

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Solution

The fourth proportional to 302,702,367.40, 417,729,251.02 and 163,473,115.75 is: 225,592,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,702,367.40 : 417,729,251.02 = 163,473,115.75 : x
  2. Step 2: Convert to fraction form
    302,702,367.40/417,729,251.02 = 163,473,115.75/x
  3. Step 3: Cross multiply
    302,702,367.40x = 417,729,251.02 × 163,473,115.75
  4. Step 4: Simplify right side
    302,702,367.40x = 68,287,502,203,313,288
  5. Step 5: Solve for x
    x = 68,287,502,203,313,288/302,702,367.40
  6. Step 6: Final answer
    x = 225,592,891.10

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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.