Home / 55,738,804.28-83,618,973.50-21,192,520.00

Finding the Fourth Proportional to 55,738,804.28, 83,618,973.50 and 21,192,520.00

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Solution

The fourth proportional to 55,738,804.28, 83,618,973.50 and 21,192,520.00 is: 31,792,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738,804.28 : 83,618,973.50 = 21,192,520.00 : x
  2. Step 2: Convert to fraction form
    55,738,804.28/83,618,973.50 = 21,192,520.00/x
  3. Step 3: Cross multiply
    55,738,804.28x = 83,618,973.50 × 21,192,520.00
  4. Step 4: Simplify right side
    55,738,804.28x = 1,772,096,767,963,210
  5. Step 5: Solve for x
    x = 1,772,096,767,963,210/55,738,804.28
  6. Step 6: Final answer
    x = 31,792,873.76

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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.