Home / 72,259,192.26-99,717,794.91-39,219,453.47

Finding the Fourth Proportional to 72,259,192.26, 99,717,794.91 and 39,219,453.47

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Solution

The fourth proportional to 72,259,192.26, 99,717,794.91 and 39,219,453.47 is: 54,122,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,259,192.26 : 99,717,794.91 = 39,219,453.47 : x
  2. Step 2: Convert to fraction form
    72,259,192.26/99,717,794.91 = 39,219,453.47/x
  3. Step 3: Cross multiply
    72,259,192.26x = 99,717,794.91 × 39,219,453.47
  4. Step 4: Simplify right side
    72,259,192.26x = 3,910,877,417,853,042
  5. Step 5: Solve for x
    x = 3,910,877,417,853,042/72,259,192.26
  6. Step 6: Final answer
    x = 54,122,905.27

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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.