Home / 235,170,065.40-352,755,098.10-81,816,121.85

Finding the Fourth Proportional to 235,170,065.40, 352,755,098.10 and 81,816,121.85

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Solution

The fourth proportional to 235,170,065.40, 352,755,098.10 and 81,816,121.85 is: 122,724,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,170,065.40 : 352,755,098.10 = 81,816,121.85 : x
  2. Step 2: Convert to fraction form
    235,170,065.40/352,755,098.10 = 81,816,121.85/x
  3. Step 3: Cross multiply
    235,170,065.40x = 352,755,098.10 × 81,816,121.85
  4. Step 4: Simplify right side
    235,170,065.40x = 28,861,054,087,594,528
  5. Step 5: Solve for x
    x = 28,861,054,087,594,528/235,170,065.40
  6. Step 6: Final answer
    x = 122,724,182.77

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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.