Home / 91,164,040.88-125,801,598.84-49,903,029.68

Finding the Fourth Proportional to 91,164,040.88, 125,801,598.84 and 49,903,029.68

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Solution

The fourth proportional to 91,164,040.88, 125,801,598.84 and 49,903,029.68 is: 68,863,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,164,040.88 : 125,801,598.84 = 49,903,029.68 : x
  2. Step 2: Convert to fraction form
    91,164,040.88/125,801,598.84 = 49,903,029.68/x
  3. Step 3: Cross multiply
    91,164,040.88x = 125,801,598.84 × 49,903,029.68
  4. Step 4: Simplify right side
    91,164,040.88x = 6,277,880,920,703,974
  5. Step 5: Solve for x
    x = 6,277,880,920,703,974/91,164,040.88
  6. Step 6: Final answer
    x = 68,863,565.72

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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.