Home / 342,360,672.23-513,873,089.35-165,222,473.11

Finding the Fourth Proportional to 342,360,672.23, 513,873,089.35 and 165,222,473.11

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Solution

The fourth proportional to 342,360,672.23, 513,873,089.35 and 165,222,473.11 is: 247,993,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,672.23 : 513,873,089.35 = 165,222,473.11 : x
  2. Step 2: Convert to fraction form
    342,360,672.23/513,873,089.35 = 165,222,473.11/x
  3. Step 3: Cross multiply
    342,360,672.23x = 513,873,089.35 × 165,222,473.11
  4. Step 4: Simplify right side
    342,360,672.23x = 84,903,382,683,687,520
  5. Step 5: Solve for x
    x = 84,903,382,683,687,520/342,360,672.23
  6. Step 6: Final answer
    x = 247,993,971.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.