Home / 127,702,667.84-176,229,674.88-68,965,327.36

Finding the Fourth Proportional to 127,702,667.84, 176,229,674.88 and 68,965,327.36

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Solution

The fourth proportional to 127,702,667.84, 176,229,674.88 and 68,965,327.36 is: 95,172,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702,667.84 : 176,229,674.88 = 68,965,327.36 : x
  2. Step 2: Convert to fraction form
    127,702,667.84/176,229,674.88 = 68,965,327.36/x
  3. Step 3: Cross multiply
    127,702,667.84x = 176,229,674.88 × 68,965,327.36
  4. Step 4: Simplify right side
    127,702,667.84x = 12,153,737,218,645,568
  5. Step 5: Solve for x
    x = 12,153,737,218,645,568/127,702,667.84
  6. Step 6: Final answer
    x = 95,172,148.12

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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.