Home / 89,062,913.80-133,594,370.70-53,231,105.80

Finding the Fourth Proportional to 89,062,913.80, 133,594,370.70 and 53,231,105.80

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Solution

The fourth proportional to 89,062,913.80, 133,594,370.70 and 53,231,105.80 is: 79,846,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,062,913.80 : 133,594,370.70 = 53,231,105.80 : x
  2. Step 2: Convert to fraction form
    89,062,913.80/133,594,370.70 = 53,231,105.80/x
  3. Step 3: Cross multiply
    89,062,913.80x = 133,594,370.70 × 53,231,105.80
  4. Step 4: Simplify right side
    89,062,913.80x = 7,111,376,081,016,120
  5. Step 5: Solve for x
    x = 7,111,376,081,016,120/89,062,913.80
  6. Step 6: Final answer
    x = 79,846,658.70

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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.