Home / 123,567,332.12-170,511,648.18-73,322,893.20

Finding the Fourth Proportional to 123,567,332.12, 170,511,648.18 and 73,322,893.20

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Solution

The fourth proportional to 123,567,332.12, 170,511,648.18 and 73,322,893.20 is: 101,178,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,567,332.12 : 170,511,648.18 = 73,322,893.20 : x
  2. Step 2: Convert to fraction form
    123,567,332.12/170,511,648.18 = 73,322,893.20/x
  3. Step 3: Cross multiply
    123,567,332.12x = 170,511,648.18 × 73,322,893.20
  4. Step 4: Simplify right side
    123,567,332.12x = 12,502,407,369,222,572
  5. Step 5: Solve for x
    x = 12,502,407,369,222,572/123,567,332.12
  6. Step 6: Final answer
    x = 101,178,905.09

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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.