Home / 78,079,651.03-116,421,423.74-75,934,461.43

Finding the Fourth Proportional to 78,079,651.03, 116,421,423.74 and 75,934,461.43

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Solution

The fourth proportional to 78,079,651.03, 116,421,423.74 and 75,934,461.43 is: 113,222,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,079,651.03 : 116,421,423.74 = 75,934,461.43 : x
  2. Step 2: Convert to fraction form
    78,079,651.03/116,421,423.74 = 75,934,461.43/x
  3. Step 3: Cross multiply
    78,079,651.03x = 116,421,423.74 × 75,934,461.43
  4. Step 4: Simplify right side
    78,079,651.03x = 8,840,398,110,610,717
  5. Step 5: Solve for x
    x = 8,840,398,110,610,717/78,079,651.03
  6. Step 6: Final answer
    x = 113,222,817.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.