Home / 91,432,608.20-137,148,912.30-36,871,332.20

Finding the Fourth Proportional to 91,432,608.20, 137,148,912.30 and 36,871,332.20

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Solution

The fourth proportional to 91,432,608.20, 137,148,912.30 and 36,871,332.20 is: 55,306,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,432,608.20 : 137,148,912.30 = 36,871,332.20 : x
  2. Step 2: Convert to fraction form
    91,432,608.20/137,148,912.30 = 36,871,332.20/x
  3. Step 3: Cross multiply
    91,432,608.20x = 137,148,912.30 × 36,871,332.20
  4. Step 4: Simplify right side
    91,432,608.20x = 5,056,863,106,281,967
  5. Step 5: Solve for x
    x = 5,056,863,106,281,967/91,432,608.20
  6. Step 6: Final answer
    x = 55,306,998.30

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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.