Home / 163,212,073.80-244,818,110.70-126,223,780.20

Finding the Fourth Proportional to 163,212,073.80, 244,818,110.70 and 126,223,780.20

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Solution

The fourth proportional to 163,212,073.80, 244,818,110.70 and 126,223,780.20 is: 189,335,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,212,073.80 : 244,818,110.70 = 126,223,780.20 : x
  2. Step 2: Convert to fraction form
    163,212,073.80/244,818,110.70 = 126,223,780.20/x
  3. Step 3: Cross multiply
    163,212,073.80x = 244,818,110.70 × 126,223,780.20
  4. Step 4: Simplify right side
    163,212,073.80x = 30,901,867,393,976,068
  5. Step 5: Solve for x
    x = 30,901,867,393,976,068/163,212,073.80
  6. Step 6: Final answer
    x = 189,335,670.30

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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.