Home / 140,396,908.04-193,739,648.82-77,669,309.96

Finding the Fourth Proportional to 140,396,908.04, 193,739,648.82 and 77,669,309.96

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Solution

The fourth proportional to 140,396,908.04, 193,739,648.82 and 77,669,309.96 is: 107,179,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396,908.04 : 193,739,648.82 = 77,669,309.96 : x
  2. Step 2: Convert to fraction form
    140,396,908.04/193,739,648.82 = 77,669,309.96/x
  3. Step 3: Cross multiply
    140,396,908.04x = 193,739,648.82 × 77,669,309.96
  4. Step 4: Simplify right side
    140,396,908.04x = 15,047,624,835,742,126
  5. Step 5: Solve for x
    x = 15,047,624,835,742,126/140,396,908.04
  6. Step 6: Final answer
    x = 107,179,175.42

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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.