Home / 52,201,961.40-78,302,942.10-51,306,166.20

Finding the Fourth Proportional to 52,201,961.40, 78,302,942.10 and 51,306,166.20

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Solution

The fourth proportional to 52,201,961.40, 78,302,942.10 and 51,306,166.20 is: 76,959,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201,961.40 : 78,302,942.10 = 51,306,166.20 : x
  2. Step 2: Convert to fraction form
    52,201,961.40/78,302,942.10 = 51,306,166.20/x
  3. Step 3: Cross multiply
    52,201,961.40x = 78,302,942.10 × 51,306,166.20
  4. Step 4: Simplify right side
    52,201,961.40x = 4,017,423,761,331,577
  5. Step 5: Solve for x
    x = 4,017,423,761,331,577/52,201,961.40
  6. Step 6: Final answer
    x = 76,959,249.30

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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.