Home / 296,793,653.31-445,194,216.50-78,442,067.36

Finding the Fourth Proportional to 296,793,653.31, 445,194,216.50 and 78,442,067.36

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Solution

The fourth proportional to 296,793,653.31, 445,194,216.50 and 78,442,067.36 is: 117,664,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,793,653.31 : 445,194,216.50 = 78,442,067.36 : x
  2. Step 2: Convert to fraction form
    296,793,653.31/445,194,216.50 = 78,442,067.36/x
  3. Step 3: Cross multiply
    296,793,653.31x = 445,194,216.50 × 78,442,067.36
  4. Step 4: Simplify right side
    296,793,653.31x = 34,921,954,718,443,424
  5. Step 5: Solve for x
    x = 34,921,954,718,443,424/296,793,653.31
  6. Step 6: Final answer
    x = 117,664,088.60

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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.