Home / 65,871,959.40-90,906,194.70-36,503,225.64

Finding the Fourth Proportional to 65,871,959.40, 90,906,194.70 and 36,503,225.64

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Solution

The fourth proportional to 65,871,959.40, 90,906,194.70 and 36,503,225.64 is: 50,376,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,871,959.40 : 90,906,194.70 = 36,503,225.64 : x
  2. Step 2: Convert to fraction form
    65,871,959.40/90,906,194.70 = 36,503,225.64/x
  3. Step 3: Cross multiply
    65,871,959.40x = 90,906,194.70 × 36,503,225.64
  4. Step 4: Simplify right side
    65,871,959.40x = 3,318,369,337,207,872.50
  5. Step 5: Solve for x
    x = 3,318,369,337,207,872.50/65,871,959.40
  6. Step 6: Final answer
    x = 50,376,053.29

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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.