Home / 61,173,377.31-91,775,812.38-18,040,838.43

Finding the Fourth Proportional to 61,173,377.31, 91,775,812.38 and 18,040,838.43

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Solution

The fourth proportional to 61,173,377.31, 91,775,812.38 and 18,040,838.43 is: 27,065,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,173,377.31 : 91,775,812.38 = 18,040,838.43 : x
  2. Step 2: Convert to fraction form
    61,173,377.31/91,775,812.38 = 18,040,838.43/x
  3. Step 3: Cross multiply
    61,173,377.31x = 91,775,812.38 × 18,040,838.43
  4. Step 4: Simplify right side
    61,173,377.31x = 1,655,712,602,929,573.75
  5. Step 5: Solve for x
    x = 1,655,712,602,929,573.75/61,173,377.31
  6. Step 6: Final answer
    x = 27,065,901.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.