Home / 65,856,265.50-90,881,646.39-36,882,889.50

Finding the Fourth Proportional to 65,856,265.50, 90,881,646.39 and 36,882,889.50

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Solution

The fourth proportional to 65,856,265.50, 90,881,646.39 and 36,882,889.50 is: 50,898,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,265.50 : 90,881,646.39 = 36,882,889.50 : x
  2. Step 2: Convert to fraction form
    65,856,265.50/90,881,646.39 = 36,882,889.50/x
  3. Step 3: Cross multiply
    65,856,265.50x = 90,881,646.39 × 36,882,889.50
  4. Step 4: Simplify right side
    65,856,265.50x = 3,351,977,721,380,444
  5. Step 5: Solve for x
    x = 3,351,977,721,380,444/65,856,265.50
  6. Step 6: Final answer
    x = 50,898,387.51

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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.