Home / 72,695,429.80-109,043,144.70-26,637,209.80

Finding the Fourth Proportional to 72,695,429.80, 109,043,144.70 and 26,637,209.80

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Solution

The fourth proportional to 72,695,429.80, 109,043,144.70 and 26,637,209.80 is: 39,955,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,695,429.80 : 109,043,144.70 = 26,637,209.80 : x
  2. Step 2: Convert to fraction form
    72,695,429.80/109,043,144.70 = 26,637,209.80/x
  3. Step 3: Cross multiply
    72,695,429.80x = 109,043,144.70 × 26,637,209.80
  4. Step 4: Simplify right side
    72,695,429.80x = 2,904,605,122,625,658
  5. Step 5: Solve for x
    x = 2,904,605,122,625,658/72,695,429.80
  6. Step 6: Final answer
    x = 39,955,814.70

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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.