Home / 84,167,951.64-116,231,992.52-79,582,534.32

Finding the Fourth Proportional to 84,167,951.64, 116,231,992.52 and 79,582,534.32

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Solution

The fourth proportional to 84,167,951.64, 116,231,992.52 and 79,582,534.32 is: 109,899,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167,951.64 : 116,231,992.52 = 79,582,534.32 : x
  2. Step 2: Convert to fraction form
    84,167,951.64/116,231,992.52 = 79,582,534.32/x
  3. Step 3: Cross multiply
    84,167,951.64x = 116,231,992.52 × 79,582,534.32
  4. Step 4: Simplify right side
    84,167,951.64x = 9,250,036,533,804,882
  5. Step 5: Solve for x
    x = 9,250,036,533,804,882/84,167,951.64
  6. Step 6: Final answer
    x = 109,899,746.32

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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.