Home / 87,164,138.40-120,277,609.56-53,668,298.40

Finding the Fourth Proportional to 87,164,138.40, 120,277,609.56 and 53,668,298.40

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Solution

The fourth proportional to 87,164,138.40, 120,277,609.56 and 53,668,298.40 is: 74,056,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,138.40 : 120,277,609.56 = 53,668,298.40 : x
  2. Step 2: Convert to fraction form
    87,164,138.40/120,277,609.56 = 53,668,298.40/x
  3. Step 3: Cross multiply
    87,164,138.40x = 120,277,609.56 × 53,668,298.40
  4. Step 4: Simplify right side
    87,164,138.40x = 6,455,094,640,704,773
  5. Step 5: Solve for x
    x = 6,455,094,640,704,773/87,164,138.40
  6. Step 6: Final answer
    x = 74,056,771.04

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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.