Home / 252,112,631.58-347,915,432.25-136,219,127.58

Finding the Fourth Proportional to 252,112,631.58, 347,915,432.25 and 136,219,127.58

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Solution

The fourth proportional to 252,112,631.58, 347,915,432.25 and 136,219,127.58 is: 187,982,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,112,631.58 : 347,915,432.25 = 136,219,127.58 : x
  2. Step 2: Convert to fraction form
    252,112,631.58/347,915,432.25 = 136,219,127.58/x
  3. Step 3: Cross multiply
    252,112,631.58x = 347,915,432.25 × 136,219,127.58
  4. Step 4: Simplify right side
    252,112,631.58x = 47,392,736,652,713,600
  5. Step 5: Solve for x
    x = 47,392,736,652,713,600/252,112,631.58
  6. Step 6: Final answer
    x = 187,982,396.42

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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.