Home / 205,374,051.42-307,996,037.37-67,167,725.82

Finding the Fourth Proportional to 205,374,051.42, 307,996,037.37 and 67,167,725.82

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Solution

The fourth proportional to 205,374,051.42, 307,996,037.37 and 67,167,725.82 is: 100,730,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,374,051.42 : 307,996,037.37 = 67,167,725.82 : x
  2. Step 2: Convert to fraction form
    205,374,051.42/307,996,037.37 = 67,167,725.82/x
  3. Step 3: Cross multiply
    205,374,051.42x = 307,996,037.37 × 67,167,725.82
  4. Step 4: Simplify right side
    205,374,051.42x = 20,687,393,391,714,632
  5. Step 5: Solve for x
    x = 20,687,393,391,714,632/205,374,051.42
  6. Step 6: Final answer
    x = 100,730,317.43

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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.