Home / 103,661,491.70-143,050,120.53-57,250,746.74

Finding the Fourth Proportional to 103,661,491.70, 143,050,120.53 and 57,250,746.74

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Solution

The fourth proportional to 103,661,491.70, 143,050,120.53 and 57,250,746.74 is: 79,004,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661,491.70 : 143,050,120.53 = 57,250,746.74 : x
  2. Step 2: Convert to fraction form
    103,661,491.70/143,050,120.53 = 57,250,746.74/x
  3. Step 3: Cross multiply
    103,661,491.70x = 143,050,120.53 × 57,250,746.74
  4. Step 4: Simplify right side
    103,661,491.70x = 8,189,726,221,589,505
  5. Step 5: Solve for x
    x = 8,189,726,221,589,505/103,661,491.70
  6. Step 6: Final answer
    x = 79,004,518.33

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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.