Home / 81,033,498.66-121,560,711.18-37,303,710.12

Finding the Fourth Proportional to 81,033,498.66, 121,560,711.18 and 37,303,710.12

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Solution

The fourth proportional to 81,033,498.66, 121,560,711.18 and 37,303,710.12 is: 55,960,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,033,498.66 : 121,560,711.18 = 37,303,710.12 : x
  2. Step 2: Convert to fraction form
    81,033,498.66/121,560,711.18 = 37,303,710.12/x
  3. Step 3: Cross multiply
    81,033,498.66x = 121,560,711.18 × 37,303,710.12
  4. Step 4: Simplify right side
    81,033,498.66x = 4,534,665,531,839,763
  5. Step 5: Solve for x
    x = 4,534,665,531,839,763/81,033,498.66
  6. Step 6: Final answer
    x = 55,960,381.90

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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.