Home / 51,228,045.90-76,842,068.85-20,957,633.10

Finding the Fourth Proportional to 51,228,045.90, 76,842,068.85 and 20,957,633.10

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Solution

The fourth proportional to 51,228,045.90, 76,842,068.85 and 20,957,633.10 is: 31,436,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,228,045.90 : 76,842,068.85 = 20,957,633.10 : x
  2. Step 2: Convert to fraction form
    51,228,045.90/76,842,068.85 = 20,957,633.10/x
  3. Step 3: Cross multiply
    51,228,045.90x = 76,842,068.85 × 20,957,633.10
  4. Step 4: Simplify right side
    51,228,045.90x = 1,610,427,885,603,239
  5. Step 5: Solve for x
    x = 1,610,427,885,603,239/51,228,045.90
  6. Step 6: Final answer
    x = 31,436,449.65

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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.