Home / 84,167,802.66-116,231,781.95-79,582,379.22

Finding the Fourth Proportional to 84,167,802.66, 116,231,781.95 and 79,582,379.22

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Solution

The fourth proportional to 84,167,802.66, 116,231,781.95 and 79,582,379.22 is: 109,899,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167,802.66 : 116,231,781.95 = 79,582,379.22 : x
  2. Step 2: Convert to fraction form
    84,167,802.66/116,231,781.95 = 79,582,379.22/x
  3. Step 3: Cross multiply
    84,167,802.66x = 116,231,781.95 × 79,582,379.22
  4. Step 4: Simplify right side
    84,167,802.66x = 9,250,001,748,400,074
  5. Step 5: Solve for x
    x = 9,250,001,748,400,074/84,167,802.66
  6. Step 6: Final answer
    x = 109,899,527.56

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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.