Home / 80,424,372.96-110,980,941.48-45,138,899.16

Finding the Fourth Proportional to 80,424,372.96, 110,980,941.48 and 45,138,899.16

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Solution

The fourth proportional to 80,424,372.96, 110,980,941.48 and 45,138,899.16 is: 62,289,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424,372.96 : 110,980,941.48 = 45,138,899.16 : x
  2. Step 2: Convert to fraction form
    80,424,372.96/110,980,941.48 = 45,138,899.16/x
  3. Step 3: Cross multiply
    80,424,372.96x = 110,980,941.48 × 45,138,899.16
  4. Step 4: Simplify right side
    80,424,372.96x = 5,009,557,526,147,581
  5. Step 5: Solve for x
    x = 5,009,557,526,147,581/80,424,372.96
  6. Step 6: Final answer
    x = 62,289,046.74

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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.