Home / 81,950,257.61-113,089,989.50-44,779,721.30

Finding the Fourth Proportional to 81,950,257.61, 113,089,989.50 and 44,779,721.30

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Solution

The fourth proportional to 81,950,257.61, 113,089,989.50 and 44,779,721.30 is: 61,795,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,950,257.61 : 113,089,989.50 = 44,779,721.30 : x
  2. Step 2: Convert to fraction form
    81,950,257.61/113,089,989.50 = 44,779,721.30/x
  3. Step 3: Cross multiply
    81,950,257.61x = 113,089,989.50 × 44,779,721.30
  4. Step 4: Simplify right side
    81,950,257.61x = 5,064,138,211,406,028
  5. Step 5: Solve for x
    x = 5,064,138,211,406,028/81,950,257.61
  6. Step 6: Final answer
    x = 61,795,268.97

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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.