Home / 81,938,667.88-113,074,023.81-44,768,148.22

Finding the Fourth Proportional to 81,938,667.88, 113,074,023.81 and 44,768,148.22

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Solution

The fourth proportional to 81,938,667.88, 113,074,023.81 and 44,768,148.22 is: 61,779,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938,667.88 : 113,074,023.81 = 44,768,148.22 : x
  2. Step 2: Convert to fraction form
    81,938,667.88/113,074,023.81 = 44,768,148.22/x
  3. Step 3: Cross multiply
    81,938,667.88x = 113,074,023.81 × 44,768,148.22
  4. Step 4: Simplify right side
    81,938,667.88x = 5,062,114,657,757,889
  5. Step 5: Solve for x
    x = 5,062,114,657,757,889/81,938,667.88
  6. Step 6: Final answer
    x = 61,779,313.59

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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.