Home / 65,856,261-90,881,640.18-36,882,885

Finding the Fourth Proportional to 65,856,261, 90,881,640.18 and 36,882,885

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Solution

The fourth proportional to 65,856,261, 90,881,640.18 and 36,882,885 is: 50,898,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,261 : 90,881,640.18 = 36,882,885 : x
  2. Step 2: Convert to fraction form
    65,856,261/90,881,640.18 = 36,882,885/x
  3. Step 3: Cross multiply
    65,856,261x = 90,881,640.18 × 36,882,885
  4. Step 4: Simplify right side
    65,856,261x = 3,351,977,083,370,319.50
  5. Step 5: Solve for x
    x = 3,351,977,083,370,319.50/65,856,261
  6. Step 6: Final answer
    x = 50,898,381.30

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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.