Home / 87,164,139.40-120,277,610.94-53,668,299.40

Finding the Fourth Proportional to 87,164,139.40, 120,277,610.94 and 53,668,299.40

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Solution

The fourth proportional to 87,164,139.40, 120,277,610.94 and 53,668,299.40 is: 74,056,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,139.40 : 120,277,610.94 = 53,668,299.40 : x
  2. Step 2: Convert to fraction form
    87,164,139.40/120,277,610.94 = 53,668,299.40/x
  3. Step 3: Cross multiply
    87,164,139.40x = 120,277,610.94 × 53,668,299.40
  4. Step 4: Simplify right side
    87,164,139.40x = 6,455,094,835,044,635
  5. Step 5: Solve for x
    x = 6,455,094,835,044,635/87,164,139.40
  6. Step 6: Final answer
    x = 74,056,772.42

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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.