Home / 77,702,976.55-108,943,419.65-77,702,976.55

Finding the Fourth Proportional to 77,702,976.55, 108,943,419.65 and 77,702,976.55

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Solution

The fourth proportional to 77,702,976.55, 108,943,419.65 and 77,702,976.55 is: 108,943,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,702,976.55 : 108,943,419.65 = 77,702,976.55 : x
  2. Step 2: Convert to fraction form
    77,702,976.55/108,943,419.65 = 77,702,976.55/x
  3. Step 3: Cross multiply
    77,702,976.55x = 108,943,419.65 × 77,702,976.55
  4. Step 4: Simplify right side
    77,702,976.55x = 8,465,227,982,340,759
  5. Step 5: Solve for x
    x = 8,465,227,982,340,759/77,702,976.55
  6. Step 6: Final answer
    x = 108,943,419.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.