Home / 408,237,095.40-612,353,889.85-113,131,367.66

Finding the Fourth Proportional to 408,237,095.40, 612,353,889.85 and 113,131,367.66

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Solution

The fourth proportional to 408,237,095.40, 612,353,889.85 and 113,131,367.66 is: 169,696,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,237,095.40 : 612,353,889.85 = 113,131,367.66 : x
  2. Step 2: Convert to fraction form
    408,237,095.40/612,353,889.85 = 113,131,367.66/x
  3. Step 3: Cross multiply
    408,237,095.40x = 612,353,889.85 × 113,131,367.66
  4. Step 4: Simplify right side
    408,237,095.40x = 69,276,433,050,651,496
  5. Step 5: Solve for x
    x = 69,276,433,050,651,496/408,237,095.40
  6. Step 6: Final answer
    x = 169,696,565.63

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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.