Home / 69,013,271.20-103,519,906.80-53,088,023.20

Finding the Fourth Proportional to 69,013,271.20, 103,519,906.80 and 53,088,023.20

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Solution

The fourth proportional to 69,013,271.20, 103,519,906.80 and 53,088,023.20 is: 79,632,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013,271.20 : 103,519,906.80 = 53,088,023.20 : x
  2. Step 2: Convert to fraction form
    69,013,271.20/103,519,906.80 = 53,088,023.20/x
  3. Step 3: Cross multiply
    69,013,271.20x = 103,519,906.80 × 53,088,023.20
  4. Step 4: Simplify right side
    69,013,271.20x = 5,495,667,213,860,238
  5. Step 5: Solve for x
    x = 5,495,667,213,860,238/69,013,271.20
  6. Step 6: Final answer
    x = 79,632,034.80

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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.