Home / 257,720,742.48-355,654,677.24-141,827,238.48

Finding the Fourth Proportional to 257,720,742.48, 355,654,677.24 and 141,827,238.48

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Solution

The fourth proportional to 257,720,742.48, 355,654,677.24 and 141,827,238.48 is: 195,721,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,720,742.48 : 355,654,677.24 = 141,827,238.48 : x
  2. Step 2: Convert to fraction form
    257,720,742.48/355,654,677.24 = 141,827,238.48/x
  3. Step 3: Cross multiply
    257,720,742.48x = 355,654,677.24 × 141,827,238.48
  4. Step 4: Simplify right side
    257,720,742.48x = 50,441,520,725,444,904
  5. Step 5: Solve for x
    x = 50,441,520,725,444,904/257,720,742.48
  6. Step 6: Final answer
    x = 195,721,618.06

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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.