Home / 195,614,529.30-293,421,793.95-138,218,901.30

Finding the Fourth Proportional to 195,614,529.30, 293,421,793.95 and 138,218,901.30

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Solution

The fourth proportional to 195,614,529.30, 293,421,793.95 and 138,218,901.30 is: 207,328,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,614,529.30 : 293,421,793.95 = 138,218,901.30 : x
  2. Step 2: Convert to fraction form
    195,614,529.30/293,421,793.95 = 138,218,901.30/x
  3. Step 3: Cross multiply
    195,614,529.30x = 293,421,793.95 × 138,218,901.30
  4. Step 4: Simplify right side
    195,614,529.30x = 40,556,437,977,243,992
  5. Step 5: Solve for x
    x = 40,556,437,977,243,992/195,614,529.30
  6. Step 6: Final answer
    x = 207,328,351.95

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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.