Home / 91,270,346.16-125,953,188.45-49,454,378.49

Finding the Fourth Proportional to 91,270,346.16, 125,953,188.45 and 49,454,378.49

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Solution

The fourth proportional to 91,270,346.16, 125,953,188.45 and 49,454,378.49 is: 68,247,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,270,346.16 : 125,953,188.45 = 49,454,378.49 : x
  2. Step 2: Convert to fraction form
    91,270,346.16/125,953,188.45 = 49,454,378.49/x
  3. Step 3: Cross multiply
    91,270,346.16x = 125,953,188.45 × 49,454,378.49
  4. Step 4: Simplify right side
    91,270,346.16x = 6,228,936,653,628,597
  5. Step 5: Solve for x
    x = 6,228,936,653,628,597/91,270,346.16
  6. Step 6: Final answer
    x = 68,247,102.33

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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.