Home / 86,283,551-118,992,440.66-67,447,621.46

Finding the Fourth Proportional to 86,283,551, 118,992,440.66 and 67,447,621.46

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Solution

The fourth proportional to 86,283,551, 118,992,440.66 and 67,447,621.46 is: 93,016,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,283,551 : 118,992,440.66 = 67,447,621.46 : x
  2. Step 2: Convert to fraction form
    86,283,551/118,992,440.66 = 67,447,621.46/x
  3. Step 3: Cross multiply
    86,283,551x = 118,992,440.66 × 67,447,621.46
  4. Step 4: Simplify right side
    86,283,551x = 8,025,757,094,237,192
  5. Step 5: Solve for x
    x = 8,025,757,094,237,192/86,283,551
  6. Step 6: Final answer
    x = 93,016,073.18

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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.