Home / 71,809,118.73-107,728,810.52-23,283,188.61

Finding the Fourth Proportional to 71,809,118.73, 107,728,810.52 and 23,283,188.61

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Solution

The fourth proportional to 71,809,118.73, 107,728,810.52 and 23,283,188.61 is: 34,929,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,809,118.73 : 107,728,810.52 = 23,283,188.61 : x
  2. Step 2: Convert to fraction form
    71,809,118.73/107,728,810.52 = 23,283,188.61/x
  3. Step 3: Cross multiply
    71,809,118.73x = 107,728,810.52 × 23,283,188.61
  4. Step 4: Simplify right side
    71,809,118.73x = 2,508,270,213,547,713
  5. Step 5: Solve for x
    x = 2,508,270,213,547,713/71,809,118.73
  6. Step 6: Final answer
    x = 34,929,689.40

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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.