Home / 67,091,863.20-100,602,365.40-28,710,013.20

Finding the Fourth Proportional to 67,091,863.20, 100,602,365.40 and 28,710,013.20

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Solution

The fourth proportional to 67,091,863.20, 100,602,365.40 and 28,710,013.20 is: 43,049,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,091,863.20 : 100,602,365.40 = 28,710,013.20 : x
  2. Step 2: Convert to fraction form
    67,091,863.20/100,602,365.40 = 28,710,013.20/x
  3. Step 3: Cross multiply
    67,091,863.20x = 100,602,365.40 × 28,710,013.20
  4. Step 4: Simplify right side
    67,091,863.20x = 2,888,295,238,585,223.50
  5. Step 5: Solve for x
    x = 2,888,295,238,585,223.50/67,091,863.20
  6. Step 6: Final answer
    x = 43,049,858.82

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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.