Home / 78,389,690.43-117,576,937.68-23,802,755.79

Finding the Fourth Proportional to 78,389,690.43, 117,576,937.68 and 23,802,755.79

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Solution

The fourth proportional to 78,389,690.43, 117,576,937.68 and 23,802,755.79 is: 35,701,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,690.43 : 117,576,937.68 = 23,802,755.79 : x
  2. Step 2: Convert to fraction form
    78,389,690.43/117,576,937.68 = 23,802,755.79/x
  3. Step 3: Cross multiply
    78,389,690.43x = 117,576,937.68 × 23,802,755.79
  4. Step 4: Simplify right side
    78,389,690.43x = 2,798,655,134,133,089
  5. Step 5: Solve for x
    x = 2,798,655,134,133,089/78,389,690.43
  6. Step 6: Final answer
    x = 35,701,826.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.