Home / 77,486,513.80-116,229,770.70-43,474,289.80

Finding the Fourth Proportional to 77,486,513.80, 116,229,770.70 and 43,474,289.80

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Solution

The fourth proportional to 77,486,513.80, 116,229,770.70 and 43,474,289.80 is: 65,211,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,486,513.80 : 116,229,770.70 = 43,474,289.80 : x
  2. Step 2: Convert to fraction form
    77,486,513.80/116,229,770.70 = 43,474,289.80/x
  3. Step 3: Cross multiply
    77,486,513.80x = 116,229,770.70 × 43,474,289.80
  4. Step 4: Simplify right side
    77,486,513.80x = 5,053,006,734,799,349
  5. Step 5: Solve for x
    x = 5,053,006,734,799,349/77,486,513.80
  6. Step 6: Final answer
    x = 65,211,434.70

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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.