Home / 91,432,601.70-137,148,902.55-36,871,325.70

Finding the Fourth Proportional to 91,432,601.70, 137,148,902.55 and 36,871,325.70

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Solution

The fourth proportional to 91,432,601.70, 137,148,902.55 and 36,871,325.70 is: 55,306,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,432,601.70 : 137,148,902.55 = 36,871,325.70 : x
  2. Step 2: Convert to fraction form
    91,432,601.70/137,148,902.55 = 36,871,325.70/x
  3. Step 3: Cross multiply
    91,432,601.70x = 137,148,902.55 × 36,871,325.70
  4. Step 4: Simplify right side
    91,432,601.70x = 5,056,861,855,318,611
  5. Step 5: Solve for x
    x = 5,056,861,855,318,611/91,432,601.70
  6. Step 6: Final answer
    x = 55,306,988.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.