Home / 91,157,956.98-125,797,965-49,342,014

Finding the Fourth Proportional to 91,157,956.98, 125,797,965 and 49,342,014

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Solution

The fourth proportional to 91,157,956.98, 125,797,965 and 49,342,014 is: 68,091,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,157,956.98 : 125,797,965 = 49,342,014 : x
  2. Step 2: Convert to fraction form
    91,157,956.98/125,797,965 = 49,342,014/x
  3. Step 3: Cross multiply
    91,157,956.98x = 125,797,965 × 49,342,014
  4. Step 4: Simplify right side
    91,157,956.98x = 6,207,124,950,201,510
  5. Step 5: Solve for x
    x = 6,207,124,950,201,510/91,157,956.98
  6. Step 6: Final answer
    x = 68,091,970.86

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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.