Home / 103,870,086.96-143,340,198.96-56,826,307.92

Finding the Fourth Proportional to 103,870,086.96, 143,340,198.96 and 56,826,307.92

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Solution

The fourth proportional to 103,870,086.96, 143,340,198.96 and 56,826,307.92 is: 78,420,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,870,086.96 : 143,340,198.96 = 56,826,307.92 : x
  2. Step 2: Convert to fraction form
    103,870,086.96/143,340,198.96 = 56,826,307.92/x
  3. Step 3: Cross multiply
    103,870,086.96x = 143,340,198.96 × 56,826,307.92
  4. Step 4: Simplify right side
    103,870,086.96x = 8,145,494,283,415,024
  5. Step 5: Solve for x
    x = 8,145,494,283,415,024/103,870,086.96
  6. Step 6: Final answer
    x = 78,420,019.87

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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.