Home / 152,167,296.40-209,990,945.04-82,552,658.84

Finding the Fourth Proportional to 152,167,296.40, 209,990,945.04 and 82,552,658.84

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Solution

The fourth proportional to 152,167,296.40, 209,990,945.04 and 82,552,658.84 is: 113,922,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,167,296.40 : 209,990,945.04 = 82,552,658.84 : x
  2. Step 2: Convert to fraction form
    152,167,296.40/209,990,945.04 = 82,552,658.84/x
  3. Step 3: Cross multiply
    152,167,296.40x = 209,990,945.04 × 82,552,658.84
  4. Step 4: Simplify right side
    152,167,296.40x = 17,335,310,845,376,310
  5. Step 5: Solve for x
    x = 17,335,310,845,376,310/152,167,296.40
  6. Step 6: Final answer
    x = 113,922,710.43

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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.