Home / 81,446,449.17-122,006,100.12-37,665,841.35

Finding the Fourth Proportional to 81,446,449.17, 122,006,100.12 and 37,665,841.35

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Solution

The fourth proportional to 81,446,449.17, 122,006,100.12 and 37,665,841.35 is: 56,423,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446,449.17 : 122,006,100.12 = 37,665,841.35 : x
  2. Step 2: Convert to fraction form
    81,446,449.17/122,006,100.12 = 37,665,841.35/x
  3. Step 3: Cross multiply
    81,446,449.17x = 122,006,100.12 × 37,665,841.35
  4. Step 4: Simplify right side
    81,446,449.17x = 4,595,462,410,852,136
  5. Step 5: Solve for x
    x = 4,595,462,410,852,136/81,446,449.17
  6. Step 6: Final answer
    x = 56,423,115.53

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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.