Home / 103,560,952.11-142,967,846.21-75,652,324.35

Finding the Fourth Proportional to 103,560,952.11, 142,967,846.21 and 75,652,324.35

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Solution

The fourth proportional to 103,560,952.11, 142,967,846.21 and 75,652,324.35 is: 104,439,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,560,952.11 : 142,967,846.21 = 75,652,324.35 : x
  2. Step 2: Convert to fraction form
    103,560,952.11/142,967,846.21 = 75,652,324.35/x
  3. Step 3: Cross multiply
    103,560,952.11x = 142,967,846.21 × 75,652,324.35
  4. Step 4: Simplify right side
    103,560,952.11x = 10,815,849,872,721,576
  5. Step 5: Solve for x
    x = 10,815,849,872,721,576/103,560,952.11
  6. Step 6: Final answer
    x = 104,439,459.59

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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.