Home / 282,467,897.28-423,703,198.26-85,733,019.63

Finding the Fourth Proportional to 282,467,897.28, 423,703,198.26 and 85,733,019.63

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Solution

The fourth proportional to 282,467,897.28, 423,703,198.26 and 85,733,019.63 is: 128,599,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,467,897.28 : 423,703,198.26 = 85,733,019.63 : x
  2. Step 2: Convert to fraction form
    282,467,897.28/423,703,198.26 = 85,733,019.63/x
  3. Step 3: Cross multiply
    282,467,897.28x = 423,703,198.26 × 85,733,019.63
  4. Step 4: Simplify right side
    282,467,897.28x = 36,325,354,613,718,360
  5. Step 5: Solve for x
    x = 36,325,354,613,718,360/282,467,897.28
  6. Step 6: Final answer
    x = 128,599,939.90

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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.