Home / 260,109,293.36-390,165,243.92-66,020,766.16

Finding the Fourth Proportional to 260,109,293.36, 390,165,243.92 and 66,020,766.16

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Solution

The fourth proportional to 260,109,293.36, 390,165,243.92 and 66,020,766.16 is: 99,031,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,109,293.36 : 390,165,243.92 = 66,020,766.16 : x
  2. Step 2: Convert to fraction form
    260,109,293.36/390,165,243.92 = 66,020,766.16/x
  3. Step 3: Cross multiply
    260,109,293.36x = 390,165,243.92 × 66,020,766.16
  4. Step 4: Simplify right side
    260,109,293.36x = 25,759,008,332,601,680
  5. Step 5: Solve for x
    x = 25,759,008,332,601,680/260,109,293.36
  6. Step 6: Final answer
    x = 99,031,480.19

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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.