Home / 81,938,649.17-113,073,998.19-44,768,129.51

Finding the Fourth Proportional to 81,938,649.17, 113,073,998.19 and 44,768,129.51

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Solution

The fourth proportional to 81,938,649.17, 113,073,998.19 and 44,768,129.51 is: 61,779,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,649.17 : 113,073,998.19 = 44,768,129.51 : x
  2. Step 2: Convert to fraction form
    81,938,649.17/113,073,998.19 = 44,768,129.51/x
  3. Step 3: Cross multiply
    81,938,649.17x = 113,073,998.19 × 44,768,129.51
  4. Step 4: Simplify right side
    81,938,649.17x = 5,062,111,394,618,056
  5. Step 5: Solve for x
    x = 5,062,111,394,618,056/81,938,649.17
  6. Step 6: Final answer
    x = 61,779,287.87

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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.