Home / 87,224,409.03-120,370,480.53-48,067,590.72

Finding the Fourth Proportional to 87,224,409.03, 120,370,480.53 and 48,067,590.72

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Solution

The fourth proportional to 87,224,409.03, 120,370,480.53 and 48,067,590.72 is: 66,333,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224,409.03 : 120,370,480.53 = 48,067,590.72 : x
  2. Step 2: Convert to fraction form
    87,224,409.03/120,370,480.53 = 48,067,590.72/x
  3. Step 3: Cross multiply
    87,224,409.03x = 120,370,480.53 × 48,067,590.72
  4. Step 4: Simplify right side
    87,224,409.03x = 5,785,918,992,885,769
  5. Step 5: Solve for x
    x = 5,785,918,992,885,769/87,224,409.03
  6. Step 6: Final answer
    x = 66,333,713.89

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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.