Home / 135,935,963.70-203,983,661.70-49,683,089.40

Finding the Fourth Proportional to 135,935,963.70, 203,983,661.70 and 49,683,089.40

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Solution

The fourth proportional to 135,935,963.70, 203,983,661.70 and 49,683,089.40 is: 74,553,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,935,963.70 : 203,983,661.70 = 49,683,089.40 : x
  2. Step 2: Convert to fraction form
    135,935,963.70/203,983,661.70 = 49,683,089.40/x
  3. Step 3: Cross multiply
    135,935,963.70x = 203,983,661.70 × 49,683,089.40
  4. Step 4: Simplify right side
    135,935,963.70x = 10,134,538,500,380,456
  5. Step 5: Solve for x
    x = 10,134,538,500,380,456/135,935,963.70
  6. Step 6: Final answer
    x = 74,553,769.47

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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.