Home / 72,434,994.30-108,778,462.65-38,422,770.30

Finding the Fourth Proportional to 72,434,994.30, 108,778,462.65 and 38,422,770.30

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Solution

The fourth proportional to 72,434,994.30, 108,778,462.65 and 38,422,770.30 is: 57,700,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,434,994.30 : 108,778,462.65 = 38,422,770.30 : x
  2. Step 2: Convert to fraction form
    72,434,994.30/108,778,462.65 = 38,422,770.30/x
  3. Step 3: Cross multiply
    72,434,994.30x = 108,778,462.65 × 38,422,770.30
  4. Step 4: Simplify right side
    72,434,994.30x = 4,179,569,883,988,079
  5. Step 5: Solve for x
    x = 4,179,569,883,988,079/72,434,994.30
  6. Step 6: Final answer
    x = 57,700,976.23

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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.