Home / 163,310,461.20-244,965,691.80-81,681,123.60

Finding the Fourth Proportional to 163,310,461.20, 244,965,691.80 and 81,681,123.60

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Solution

The fourth proportional to 163,310,461.20, 244,965,691.80 and 81,681,123.60 is: 122,521,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,310,461.20 : 244,965,691.80 = 81,681,123.60 : x
  2. Step 2: Convert to fraction form
    163,310,461.20/244,965,691.80 = 81,681,123.60/x
  3. Step 3: Cross multiply
    163,310,461.20x = 244,965,691.80 × 81,681,123.60
  4. Step 4: Simplify right side
    163,310,461.20x = 20,009,072,949,675,304
  5. Step 5: Solve for x
    x = 20,009,072,949,675,304/163,310,461.20
  6. Step 6: Final answer
    x = 122,521,685.40

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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.