Home / 91,164,123.62-125,801,712.33-49,903,112.42

Finding the Fourth Proportional to 91,164,123.62, 125,801,712.33 and 49,903,112.42

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Solution

The fourth proportional to 91,164,123.62, 125,801,712.33 and 49,903,112.42 is: 68,863,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,164,123.62 : 125,801,712.33 = 49,903,112.42 : x
  2. Step 2: Convert to fraction form
    91,164,123.62/125,801,712.33 = 49,903,112.42/x
  3. Step 3: Cross multiply
    91,164,123.62x = 125,801,712.33 × 49,903,112.42
  4. Step 4: Simplify right side
    91,164,123.62x = 6,277,896,993,032,490
  5. Step 5: Solve for x
    x = 6,277,896,993,032,490/91,164,123.62
  6. Step 6: Final answer
    x = 68,863,679.52

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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.