Home / 200,074,929.66-300,455,840.97-122,805,567.32

Finding the Fourth Proportional to 200,074,929.66, 300,455,840.97 and 122,805,567.32

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Solution

The fourth proportional to 200,074,929.66, 300,455,840.97 and 122,805,567.32 is: 184,419,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,074,929.66 : 300,455,840.97 = 122,805,567.32 : x
  2. Step 2: Convert to fraction form
    200,074,929.66/300,455,840.97 = 122,805,567.32/x
  3. Step 3: Cross multiply
    200,074,929.66x = 300,455,840.97 × 122,805,567.32
  4. Step 4: Simplify right side
    200,074,929.66x = 36,897,650,003,426,272
  5. Step 5: Solve for x
    x = 36,897,650,003,426,272/200,074,929.66
  6. Step 6: Final answer
    x = 184,419,157.69

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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.