Home / 151,268,239.86-208,750,603.37-87,700,932.60

Finding the Fourth Proportional to 151,268,239.86, 208,750,603.37 and 87,700,932.60

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Solution

The fourth proportional to 151,268,239.86, 208,750,603.37 and 87,700,932.60 is: 121,027,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,268,239.86 : 208,750,603.37 = 87,700,932.60 : x
  2. Step 2: Convert to fraction form
    151,268,239.86/208,750,603.37 = 87,700,932.60/x
  3. Step 3: Cross multiply
    151,268,239.86x = 208,750,603.37 × 87,700,932.60
  4. Step 4: Simplify right side
    151,268,239.86x = 18,307,622,596,361,704
  5. Step 5: Solve for x
    x = 18,307,622,596,361,704/151,268,239.86
  6. Step 6: Final answer
    x = 121,027,537.66

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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.