Home / 168,557,231.70-252,852,687.45-45,737,498.70

Finding the Fourth Proportional to 168,557,231.70, 252,852,687.45 and 45,737,498.70

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Solution

The fourth proportional to 168,557,231.70, 252,852,687.45 and 45,737,498.70 is: 68,610,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,557,231.70 : 252,852,687.45 = 45,737,498.70 : x
  2. Step 2: Convert to fraction form
    168,557,231.70/252,852,687.45 = 45,737,498.70/x
  3. Step 3: Cross multiply
    168,557,231.70x = 252,852,687.45 × 45,737,498.70
  4. Step 4: Simplify right side
    168,557,231.70x = 11,564,849,463,535,882
  5. Step 5: Solve for x
    x = 11,564,849,463,535,882/168,557,231.70
  6. Step 6: Final answer
    x = 68,610,817.51

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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.