Home / 112,456,588.61-168,707,889.91-38,670,785.69

Finding the Fourth Proportional to 112,456,588.61, 168,707,889.91 and 38,670,785.69

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Solution

The fourth proportional to 112,456,588.61, 168,707,889.91 and 38,670,785.69 is: 58,014,090.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456,588.61 : 168,707,889.91 = 38,670,785.69 : x
  2. Step 2: Convert to fraction form
    112,456,588.61/168,707,889.91 = 38,670,785.69/x
  3. Step 3: Cross multiply
    112,456,588.61x = 168,707,889.91 × 38,670,785.69
  4. Step 4: Simplify right side
    112,456,588.61x = 6,524,066,654,858,174
  5. Step 5: Solve for x
    x = 6,524,066,654,858,174/112,456,588.61
  6. Step 6: Final answer
    x = 58,014,090.02

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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.