Home / 253,462,095.72-380,236,065.18-87,420,514.95

Finding the Fourth Proportional to 253,462,095.72, 380,236,065.18 and 87,420,514.95

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Solution

The fourth proportional to 253,462,095.72, 380,236,065.18 and 87,420,514.95 is: 131,145,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,462,095.72 : 380,236,065.18 = 87,420,514.95 : x
  2. Step 2: Convert to fraction form
    253,462,095.72/380,236,065.18 = 87,420,514.95/x
  3. Step 3: Cross multiply
    253,462,095.72x = 380,236,065.18 × 87,420,514.95
  4. Step 4: Simplify right side
    253,462,095.72x = 33,240,432,620,597,368
  5. Step 5: Solve for x
    x = 33,240,432,620,597,368/253,462,095.72
  6. Step 6: Final answer
    x = 131,145,576.33

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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.