Home / 91,062,971.52-125,667,888.96-49,808,956.80

Finding the Fourth Proportional to 91,062,971.52, 125,667,888.96 and 49,808,956.80

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Solution

The fourth proportional to 91,062,971.52, 125,667,888.96 and 49,808,956.80 is: 68,736,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,062,971.52 : 125,667,888.96 = 49,808,956.80 : x
  2. Step 2: Convert to fraction form
    91,062,971.52/125,667,888.96 = 49,808,956.80/x
  3. Step 3: Cross multiply
    91,062,971.52x = 125,667,888.96 × 49,808,956.80
  4. Step 4: Simplify right side
    91,062,971.52x = 6,259,386,452,355,836
  5. Step 5: Solve for x
    x = 6,259,386,452,355,836/91,062,971.52
  6. Step 6: Final answer
    x = 68,736,900.94

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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.