Home / 117,893,364.96-162,689,029.92-67,665,851.76

Finding the Fourth Proportional to 117,893,364.96, 162,689,029.92 and 67,665,851.76

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Solution

The fourth proportional to 117,893,364.96, 162,689,029.92 and 67,665,851.76 is: 93,376,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,893,364.96 : 162,689,029.92 = 67,665,851.76 : x
  2. Step 2: Convert to fraction form
    117,893,364.96/162,689,029.92 = 67,665,851.76/x
  3. Step 3: Cross multiply
    117,893,364.96x = 162,689,029.92 × 67,665,851.76
  4. Step 4: Simplify right side
    117,893,364.96x = 11,008,491,781,544,924
  5. Step 5: Solve for x
    x = 11,008,491,781,544,924/117,893,364.96
  6. Step 6: Final answer
    x = 93,376,686.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.