Home / 215,996,356.49-297,793,559.56-137,651,324.27

Finding the Fourth Proportional to 215,996,356.49, 297,793,559.56 and 137,651,324.27

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Solution

The fourth proportional to 215,996,356.49, 297,793,559.56 and 137,651,324.27 is: 189,779,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,996,356.49 : 297,793,559.56 = 137,651,324.27 : x
  2. Step 2: Convert to fraction form
    215,996,356.49/297,793,559.56 = 137,651,324.27/x
  3. Step 3: Cross multiply
    215,996,356.49x = 297,793,559.56 × 137,651,324.27
  4. Step 4: Simplify right side
    215,996,356.49x = 40,991,677,831,794,752
  5. Step 5: Solve for x
    x = 40,991,677,831,794,752/215,996,356.49
  6. Step 6: Final answer
    x = 189,779,487.48

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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.