Home / 135,407,780-203,111,227.20-49,146,071.84

Finding the Fourth Proportional to 135,407,780, 203,111,227.20 and 49,146,071.84

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Solution

The fourth proportional to 135,407,780, 203,111,227.20 and 49,146,071.84 is: 73,718,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,407,780 : 203,111,227.20 = 49,146,071.84 : x
  2. Step 2: Convert to fraction form
    135,407,780/203,111,227.20 = 49,146,071.84/x
  3. Step 3: Cross multiply
    135,407,780x = 203,111,227.20 × 49,146,071.84
  4. Step 4: Simplify right side
    135,407,780x = 9,982,118,963,481,762
  5. Step 5: Solve for x
    x = 9,982,118,963,481,762/135,407,780
  6. Step 6: Final answer
    x = 73,718,947.05

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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.