Home / 131,859,193.40-181,962,239.64-73,121,709.68

Finding the Fourth Proportional to 131,859,193.40, 181,962,239.64 and 73,121,709.68

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Solution

The fourth proportional to 131,859,193.40, 181,962,239.64 and 73,121,709.68 is: 100,906,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,859,193.40 : 181,962,239.64 = 73,121,709.68 : x
  2. Step 2: Convert to fraction form
    131,859,193.40/181,962,239.64 = 73,121,709.68/x
  3. Step 3: Cross multiply
    131,859,193.40x = 181,962,239.64 × 73,121,709.68
  4. Step 4: Simplify right side
    131,859,193.40x = 13,305,390,059,678,668
  5. Step 5: Solve for x
    x = 13,305,390,059,678,668/131,859,193.40
  6. Step 6: Final answer
    x = 100,906,047.71

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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.