Home / 74,904,045.20-112,356,067.80-57,897,933.20

Finding the Fourth Proportional to 74,904,045.20, 112,356,067.80 and 57,897,933.20

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Solution

The fourth proportional to 74,904,045.20, 112,356,067.80 and 57,897,933.20 is: 86,846,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904,045.20 : 112,356,067.80 = 57,897,933.20 : x
  2. Step 2: Convert to fraction form
    74,904,045.20/112,356,067.80 = 57,897,933.20/x
  3. Step 3: Cross multiply
    74,904,045.20x = 112,356,067.80 × 57,897,933.20
  4. Step 4: Simplify right side
    74,904,045.20x = 6,505,184,108,099,071
  5. Step 5: Solve for x
    x = 6,505,184,108,099,071/74,904,045.20
  6. Step 6: Final answer
    x = 86,846,899.80

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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.