Home / 140,338,321.65-210,342,167.61-57,288,207.26

Finding the Fourth Proportional to 140,338,321.65, 210,342,167.61 and 57,288,207.26

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Solution

The fourth proportional to 140,338,321.65, 210,342,167.61 and 57,288,207.26 is: 85,864,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,338,321.65 : 210,342,167.61 = 57,288,207.26 : x
  2. Step 2: Convert to fraction form
    140,338,321.65/210,342,167.61 = 57,288,207.26/x
  3. Step 3: Cross multiply
    140,338,321.65x = 210,342,167.61 × 57,288,207.26
  4. Step 4: Simplify right side
    140,338,321.65x = 12,050,125,692,507,630
  5. Step 5: Solve for x
    x = 12,050,125,692,507,630/140,338,321.65
  6. Step 6: Final answer
    x = 85,864,826.88

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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.