Home / 56,181,950.76-84,263,736.61-19,781,785.20

Finding the Fourth Proportional to 56,181,950.76, 84,263,736.61 and 19,781,785.20

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Solution

The fourth proportional to 56,181,950.76, 84,263,736.61 and 19,781,785.20 is: 29,669,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,181,950.76 : 84,263,736.61 = 19,781,785.20 : x
  2. Step 2: Convert to fraction form
    56,181,950.76/84,263,736.61 = 19,781,785.20/x
  3. Step 3: Cross multiply
    56,181,950.76x = 84,263,736.61 × 19,781,785.20
  4. Step 4: Simplify right side
    56,181,950.76x = 1,666,887,138,109,112.25
  5. Step 5: Solve for x
    x = 1,666,887,138,109,112.25/56,181,950.76
  6. Step 6: Final answer
    x = 29,669,442.15

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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.