Home / 81,938,627.46-113,073,968.19-44,768,107.78

Finding the Fourth Proportional to 81,938,627.46, 113,073,968.19 and 44,768,107.78

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Solution

The fourth proportional to 81,938,627.46, 113,073,968.19 and 44,768,107.78 is: 61,779,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,627.46 : 113,073,968.19 = 44,768,107.78 : x
  2. Step 2: Convert to fraction form
    81,938,627.46/113,073,968.19 = 44,768,107.78/x
  3. Step 3: Cross multiply
    81,938,627.46x = 113,073,968.19 × 44,768,107.78
  4. Step 4: Simplify right side
    81,938,627.46x = 5,062,107,594,927,407
  5. Step 5: Solve for x
    x = 5,062,107,594,927,407/81,938,627.46
  6. Step 6: Final answer
    x = 61,779,257.86

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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.