Home / 252,031,927.20-378,103,415.31-77,156,283.87

Finding the Fourth Proportional to 252,031,927.20, 378,103,415.31 and 77,156,283.87

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Solution

The fourth proportional to 252,031,927.20, 378,103,415.31 and 77,156,283.87 is: 115,751,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,031,927.20 : 378,103,415.31 = 77,156,283.87 : x
  2. Step 2: Convert to fraction form
    252,031,927.20/378,103,415.31 = 77,156,283.87/x
  3. Step 3: Cross multiply
    252,031,927.20x = 378,103,415.31 × 77,156,283.87
  4. Step 4: Simplify right side
    252,031,927.20x = 29,173,054,443,874,868
  5. Step 5: Solve for x
    x = 29,173,054,443,874,868/252,031,927.20
  6. Step 6: Final answer
    x = 115,751,423.91

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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.