Home / 151,783,542.55-209,461,358.76-82,168,923.41

Finding the Fourth Proportional to 151,783,542.55, 209,461,358.76 and 82,168,923.41

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Solution

The fourth proportional to 151,783,542.55, 209,461,358.76 and 82,168,923.41 is: 113,393,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,542.55 : 209,461,358.76 = 82,168,923.41 : x
  2. Step 2: Convert to fraction form
    151,783,542.55/209,461,358.76 = 82,168,923.41/x
  3. Step 3: Cross multiply
    151,783,542.55x = 209,461,358.76 × 82,168,923.41
  4. Step 4: Simplify right side
    151,783,542.55x = 17,211,214,345,304,972
  5. Step 5: Solve for x
    x = 17,211,214,345,304,972/151,783,542.55
  6. Step 6: Final answer
    x = 113,393,152.22

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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.