Home / 84,167,952.64-116,231,993.90-79,582,535.32

Finding the Fourth Proportional to 84,167,952.64, 116,231,993.90 and 79,582,535.32

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Solution

The fourth proportional to 84,167,952.64, 116,231,993.90 and 79,582,535.32 is: 109,899,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167,952.64 : 116,231,993.90 = 79,582,535.32 : x
  2. Step 2: Convert to fraction form
    84,167,952.64/116,231,993.90 = 79,582,535.32/x
  3. Step 3: Cross multiply
    84,167,952.64x = 116,231,993.90 × 79,582,535.32
  4. Step 4: Simplify right side
    84,167,952.64x = 9,250,036,759,860,774
  5. Step 5: Solve for x
    x = 9,250,036,759,860,774/84,167,952.64
  6. Step 6: Final answer
    x = 109,899,747.70

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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.