Home / 79,989,858.52-110,386,004.78-43,320,429.52

Finding the Fourth Proportional to 79,989,858.52, 110,386,004.78 and 43,320,429.52

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Solution

The fourth proportional to 79,989,858.52, 110,386,004.78 and 43,320,429.52 is: 59,782,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,989,858.52 : 110,386,004.78 = 43,320,429.52 : x
  2. Step 2: Convert to fraction form
    79,989,858.52/110,386,004.78 = 43,320,429.52/x
  3. Step 3: Cross multiply
    79,989,858.52x = 110,386,004.78 × 43,320,429.52
  4. Step 4: Simplify right side
    79,989,858.52x = 4,781,969,139,898,709
  5. Step 5: Solve for x
    x = 4,781,969,139,898,709/79,989,858.52
  6. Step 6: Final answer
    x = 59,782,192.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.