Home / 98,169,071.37-135,474,252.78-54,117,650.16

Finding the Fourth Proportional to 98,169,071.37, 135,474,252.78 and 54,117,650.16

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Solution

The fourth proportional to 98,169,071.37, 135,474,252.78 and 54,117,650.16 is: 74,682,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,169,071.37 : 135,474,252.78 = 54,117,650.16 : x
  2. Step 2: Convert to fraction form
    98,169,071.37/135,474,252.78 = 54,117,650.16/x
  3. Step 3: Cross multiply
    98,169,071.37x = 135,474,252.78 × 54,117,650.16
  4. Step 4: Simplify right side
    98,169,071.37x = 7,331,548,217,432,506
  5. Step 5: Solve for x
    x = 7,331,548,217,432,506/98,169,071.37
  6. Step 6: Final answer
    x = 74,682,872.27

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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.