Home / 91,061,389.80-125,667,711.36-49,808,287.44

Finding the Fourth Proportional to 91,061,389.80, 125,667,711.36 and 49,808,287.44

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Solution

The fourth proportional to 91,061,389.80, 125,667,711.36 and 49,808,287.44 is: 68,737,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,061,389.80 : 125,667,711.36 = 49,808,287.44 : x
  2. Step 2: Convert to fraction form
    91,061,389.80/125,667,711.36 = 49,808,287.44/x
  3. Step 3: Cross multiply
    91,061,389.80x = 125,667,711.36 × 49,808,287.44
  4. Step 4: Simplify right side
    91,061,389.80x = 6,259,293,489,345,833
  5. Step 5: Solve for x
    x = 6,259,293,489,345,833/91,061,389.80
  6. Step 6: Final answer
    x = 68,737,074.00

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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.