Home / 286,137,023.04-394,846,578.72-162,377,699.76

Finding the Fourth Proportional to 286,137,023.04, 394,846,578.72 and 162,377,699.76

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Solution

The fourth proportional to 286,137,023.04, 394,846,578.72 and 162,377,699.76 is: 224,068,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,137,023.04 : 394,846,578.72 = 162,377,699.76 : x
  2. Step 2: Convert to fraction form
    286,137,023.04/394,846,578.72 = 162,377,699.76/x
  3. Step 3: Cross multiply
    286,137,023.04x = 394,846,578.72 × 162,377,699.76
  4. Step 4: Simplify right side
    286,137,023.04x = 64,114,279,210,659,368
  5. Step 5: Solve for x
    x = 64,114,279,210,659,368/286,137,023.04
  6. Step 6: Final answer
    x = 224,068,449.90

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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.