Home / 142,846,697.25-197,130,097.44-79,268,341.68

Finding the Fourth Proportional to 142,846,697.25, 197,130,097.44 and 79,268,341.68

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Solution

The fourth proportional to 142,846,697.25, 197,130,097.44 and 79,268,341.68 is: 109,391,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,846,697.25 : 197,130,097.44 = 79,268,341.68 : x
  2. Step 2: Convert to fraction form
    142,846,697.25/197,130,097.44 = 79,268,341.68/x
  3. Step 3: Cross multiply
    142,846,697.25x = 197,130,097.44 × 79,268,341.68
  4. Step 4: Simplify right side
    142,846,697.25x = 15,626,175,919,285,614
  5. Step 5: Solve for x
    x = 15,626,175,919,285,614/142,846,697.25
  6. Step 6: Final answer
    x = 109,391,230.04

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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.