Home / 82,091,166.68-123,139,899.38-36,653,354.84

Finding the Fourth Proportional to 82,091,166.68, 123,139,899.38 and 36,653,354.84

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Solution

The fourth proportional to 82,091,166.68, 123,139,899.38 and 36,653,354.84 is: 54,981,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,091,166.68 : 123,139,899.38 = 36,653,354.84 : x
  2. Step 2: Convert to fraction form
    82,091,166.68/123,139,899.38 = 36,653,354.84/x
  3. Step 3: Cross multiply
    82,091,166.68x = 123,139,899.38 × 36,653,354.84
  4. Step 4: Simplify right side
    82,091,166.68x = 4,513,490,426,937,036
  5. Step 5: Solve for x
    x = 4,513,490,426,937,036/82,091,166.68
  6. Step 6: Final answer
    x = 54,981,438.44

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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.