Home / 51,156,167.20-76,668,932.40-20,829,767.20

Finding the Fourth Proportional to 51,156,167.20, 76,668,932.40 and 20,829,767.20

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Solution

The fourth proportional to 51,156,167.20, 76,668,932.40 and 20,829,767.20 is: 31,218,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,156,167.20 : 76,668,932.40 = 20,829,767.20 : x
  2. Step 2: Convert to fraction form
    51,156,167.20/76,668,932.40 = 20,829,767.20/x
  3. Step 3: Cross multiply
    51,156,167.20x = 76,668,932.40 × 20,829,767.20
  4. Step 4: Simplify right side
    51,156,167.20x = 1,596,996,013,364,537.25
  5. Step 5: Solve for x
    x = 1,596,996,013,364,537.25/51,156,167.20
  6. Step 6: Final answer
    x = 31,218,054.46

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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.