Home / 55,378,239.26-83,119,496.09-28,104,105.85

Finding the Fourth Proportional to 55,378,239.26, 83,119,496.09 and 28,104,105.85

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Solution

The fourth proportional to 55,378,239.26, 83,119,496.09 and 28,104,105.85 is: 42,182,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378,239.26 : 83,119,496.09 = 28,104,105.85 : x
  2. Step 2: Convert to fraction form
    55,378,239.26/83,119,496.09 = 28,104,105.85/x
  3. Step 3: Cross multiply
    55,378,239.26x = 83,119,496.09 × 28,104,105.85
  4. Step 4: Simplify right side
    55,378,239.26x = 2,335,999,115,963,701.50
  5. Step 5: Solve for x
    x = 2,335,999,115,963,701.50/55,378,239.26
  6. Step 6: Final answer
    x = 42,182,618.07

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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.