Home / 236,389,368.31-326,304,380.42-142,307,889.91

Finding the Fourth Proportional to 236,389,368.31, 326,304,380.42 and 142,307,889.91

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Solution

The fourth proportional to 236,389,368.31, 326,304,380.42 and 142,307,889.91 is: 196,437,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,389,368.31 : 326,304,380.42 = 142,307,889.91 : x
  2. Step 2: Convert to fraction form
    236,389,368.31/326,304,380.42 = 142,307,889.91/x
  3. Step 3: Cross multiply
    236,389,368.31x = 326,304,380.42 × 142,307,889.91
  4. Step 4: Simplify right side
    236,389,368.31x = 46,435,687,845,960,120
  5. Step 5: Solve for x
    x = 46,435,687,845,960,120/236,389,368.31
  6. Step 6: Final answer
    x = 196,437,294.02

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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.