Home / 105,934,721.40-159,003,558.90-54,853,399.80

Finding the Fourth Proportional to 105,934,721.40, 159,003,558.90 and 54,853,399.80

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Solution

The fourth proportional to 105,934,721.40, 159,003,558.90 and 54,853,399.80 is: 82,332,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934,721.40 : 159,003,558.90 = 54,853,399.80 : x
  2. Step 2: Convert to fraction form
    105,934,721.40/159,003,558.90 = 54,853,399.80/x
  3. Step 3: Cross multiply
    105,934,721.40x = 159,003,558.90 × 54,853,399.80
  4. Step 4: Simplify right side
    105,934,721.40x = 8,721,885,785,964,548
  5. Step 5: Solve for x
    x = 8,721,885,785,964,548/105,934,721.40
  6. Step 6: Final answer
    x = 82,332,644.77

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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.