Home / 77,440,343.40-116,160,515.10-73,661,207.40

Finding the Fourth Proportional to 77,440,343.40, 116,160,515.10 and 73,661,207.40

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Solution

The fourth proportional to 77,440,343.40, 116,160,515.10 and 73,661,207.40 is: 110,491,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,440,343.40 : 116,160,515.10 = 73,661,207.40 : x
  2. Step 2: Convert to fraction form
    77,440,343.40/116,160,515.10 = 73,661,207.40/x
  3. Step 3: Cross multiply
    77,440,343.40x = 116,160,515.10 × 73,661,207.40
  4. Step 4: Simplify right side
    77,440,343.40x = 8,556,523,794,471,932
  5. Step 5: Solve for x
    x = 8,556,523,794,471,932/77,440,343.40
  6. Step 6: Final answer
    x = 110,491,811.10

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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.