Home / 134,217,131.45-185,216,737.32-77,704,260.21

Finding the Fourth Proportional to 134,217,131.45, 185,216,737.32 and 77,704,260.21

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Solution

The fourth proportional to 134,217,131.45, 185,216,737.32 and 77,704,260.21 is: 107,230,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,217,131.45 : 185,216,737.32 = 77,704,260.21 : x
  2. Step 2: Convert to fraction form
    134,217,131.45/185,216,737.32 = 77,704,260.21/x
  3. Step 3: Cross multiply
    134,217,131.45x = 185,216,737.32 × 77,704,260.21
  4. Step 4: Simplify right side
    134,217,131.45x = 14,392,129,551,960,496
  5. Step 5: Solve for x
    x = 14,392,129,551,960,496/134,217,131.45
  6. Step 6: Final answer
    x = 107,230,197.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.