Home / 81,919,758.74-113,048,922.39-45,250,329.74

Finding the Fourth Proportional to 81,919,758.74, 113,048,922.39 and 45,250,329.74

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Solution

The fourth proportional to 81,919,758.74, 113,048,922.39 and 45,250,329.74 is: 62,445,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,919,758.74 : 113,048,922.39 = 45,250,329.74 : x
  2. Step 2: Convert to fraction form
    81,919,758.74/113,048,922.39 = 45,250,329.74/x
  3. Step 3: Cross multiply
    81,919,758.74x = 113,048,922.39 × 45,250,329.74
  4. Step 4: Simplify right side
    81,919,758.74x = 5,115,501,014,899,169
  5. Step 5: Solve for x
    x = 5,115,501,014,899,169/81,919,758.74
  6. Step 6: Final answer
    x = 62,445,264.65

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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.