Home / 165,884,061.78-248,937,079.50-68,839,766.08

Finding the Fourth Proportional to 165,884,061.78, 248,937,079.50 and 68,839,766.08

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Solution

The fourth proportional to 165,884,061.78, 248,937,079.50 and 68,839,766.08 is: 103,305,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,884,061.78 : 248,937,079.50 = 68,839,766.08 : x
  2. Step 2: Convert to fraction form
    165,884,061.78/248,937,079.50 = 68,839,766.08/x
  3. Step 3: Cross multiply
    165,884,061.78x = 248,937,079.50 × 68,839,766.08
  4. Step 4: Simplify right side
    165,884,061.78x = 17,136,770,321,689,278
  5. Step 5: Solve for x
    x = 17,136,770,321,689,278/165,884,061.78
  6. Step 6: Final answer
    x = 103,305,707.24

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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.