Home / 65,856,266.75-90,881,648.12-36,882,890.75

Finding the Fourth Proportional to 65,856,266.75, 90,881,648.12 and 36,882,890.75

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Solution

The fourth proportional to 65,856,266.75, 90,881,648.12 and 36,882,890.75 is: 50,898,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,266.75 : 90,881,648.12 = 36,882,890.75 : x
  2. Step 2: Convert to fraction form
    65,856,266.75/90,881,648.12 = 36,882,890.75/x
  3. Step 3: Cross multiply
    65,856,266.75x = 90,881,648.12 × 36,882,890.75
  4. Step 4: Simplify right side
    65,856,266.75x = 3,351,977,898,789,903
  5. Step 5: Solve for x
    x = 3,351,977,898,789,903/65,856,266.75
  6. Step 6: Final answer
    x = 50,898,389.24

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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.