Home / 127,920,667.84-176,530,521.66-69,183,332.56

Finding the Fourth Proportional to 127,920,667.84, 176,530,521.66 and 69,183,332.56

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Solution

The fourth proportional to 127,920,667.84, 176,530,521.66 and 69,183,332.56 is: 95,472,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920,667.84 : 176,530,521.66 = 69,183,332.56 : x
  2. Step 2: Convert to fraction form
    127,920,667.84/176,530,521.66 = 69,183,332.56/x
  3. Step 3: Cross multiply
    127,920,667.84x = 176,530,521.66 × 69,183,332.56
  4. Step 4: Simplify right side
    127,920,667.84x = 12,212,969,786,994,064
  5. Step 5: Solve for x
    x = 12,212,969,786,994,064/127,920,667.84
  6. Step 6: Final answer
    x = 95,472,998.95

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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.