Home / 78,582,983.83-117,891,729.17-23,246,486.72

Finding the Fourth Proportional to 78,582,983.83, 117,891,729.17 and 23,246,486.72

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Solution

The fourth proportional to 78,582,983.83, 117,891,729.17 and 23,246,486.72 is: 34,874,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,582,983.83 : 117,891,729.17 = 23,246,486.72 : x
  2. Step 2: Convert to fraction form
    78,582,983.83/117,891,729.17 = 23,246,486.72/x
  3. Step 3: Cross multiply
    78,582,983.83x = 117,891,729.17 × 23,246,486.72
  4. Step 4: Simplify right side
    78,582,983.83x = 2,740,568,516,768,771
  5. Step 5: Solve for x
    x = 2,740,568,516,768,771/78,582,983.83
  6. Step 6: Final answer
    x = 34,874,834.01

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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.