Home / 181,854,543.10-272,595,464.56-138,042,554.87

Finding the Fourth Proportional to 181,854,543.10, 272,595,464.56 and 138,042,554.87

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Solution

The fourth proportional to 181,854,543.10, 272,595,464.56 and 138,042,554.87 is: 206,922,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,854,543.10 : 272,595,464.56 = 138,042,554.87 : x
  2. Step 2: Convert to fraction form
    181,854,543.10/272,595,464.56 = 138,042,554.87/x
  3. Step 3: Cross multiply
    181,854,543.10x = 272,595,464.56 × 138,042,554.87
  4. Step 4: Simplify right side
    181,854,543.10x = 37,629,774,374,496,344
  5. Step 5: Solve for x
    x = 37,629,774,374,496,344/181,854,543.10
  6. Step 6: Final answer
    x = 206,922,377.27

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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.