Home / 55,385,604.81-83,081,950.00-21,306,950.69

Finding the Fourth Proportional to 55,385,604.81, 83,081,950.00 and 21,306,950.69

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Solution

The fourth proportional to 55,385,604.81, 83,081,950.00 and 21,306,950.69 is: 31,961,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,604.81 : 83,081,950.00 = 21,306,950.69 : x
  2. Step 2: Convert to fraction form
    55,385,604.81/83,081,950.00 = 21,306,950.69/x
  3. Step 3: Cross multiply
    55,385,604.81x = 83,081,950.00 × 21,306,950.69
  4. Step 4: Simplify right side
    55,385,604.81x = 1,770,223,011,410,368.25
  5. Step 5: Solve for x
    x = 1,770,223,011,410,368.25/55,385,604.81
  6. Step 6: Final answer
    x = 31,961,788.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.