Home / 155,060,442.09-213,984,845.17-85,448,314.17

Finding the Fourth Proportional to 155,060,442.09, 213,984,845.17 and 85,448,314.17

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Solution

The fourth proportional to 155,060,442.09, 213,984,845.17 and 85,448,314.17 is: 117,919,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,060,442.09 : 213,984,845.17 = 85,448,314.17 : x
  2. Step 2: Convert to fraction form
    155,060,442.09/213,984,845.17 = 85,448,314.17/x
  3. Step 3: Cross multiply
    155,060,442.09x = 213,984,845.17 × 85,448,314.17
  4. Step 4: Simplify right side
    155,060,442.09x = 18,284,644,277,277,724
  5. Step 5: Solve for x
    x = 18,284,644,277,277,724/155,060,442.09
  6. Step 6: Final answer
    x = 117,919,464.38

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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.