Home / 120,141,115.32-165,798,236.69-67,929,029.94

Finding the Fourth Proportional to 120,141,115.32, 165,798,236.69 and 67,929,029.94

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Solution

The fourth proportional to 120,141,115.32, 165,798,236.69 and 67,929,029.94 is: 93,744,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,141,115.32 : 165,798,236.69 = 67,929,029.94 : x
  2. Step 2: Convert to fraction form
    120,141,115.32/165,798,236.69 = 67,929,029.94/x
  3. Step 3: Cross multiply
    120,141,115.32x = 165,798,236.69 × 67,929,029.94
  4. Step 4: Simplify right side
    120,141,115.32x = 11,262,513,384,114,216
  5. Step 5: Solve for x
    x = 11,262,513,384,114,216/120,141,115.32
  6. Step 6: Final answer
    x = 93,744,038.87

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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.