Home / 131,926,536.98-181,982,981.29-82,280,719.43

Finding the Fourth Proportional to 131,926,536.98, 181,982,981.29 and 82,280,719.43

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Solution

The fourth proportional to 131,926,536.98, 181,982,981.29 and 82,280,719.43 is: 113,500,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,536.98 : 181,982,981.29 = 82,280,719.43 : x
  2. Step 2: Convert to fraction form
    131,926,536.98/181,982,981.29 = 82,280,719.43/x
  3. Step 3: Cross multiply
    131,926,536.98x = 181,982,981.29 × 82,280,719.43
  4. Step 4: Simplify right side
    131,926,536.98x = 14,973,690,624,311,602
  5. Step 5: Solve for x
    x = 14,973,690,624,311,602/131,926,536.98
  6. Step 6: Final answer
    x = 113,500,217.37

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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.