Home / 69,928,639.24-104,875,066.83-20,732,988.87

Finding the Fourth Proportional to 69,928,639.24, 104,875,066.83 and 20,732,988.87

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Solution

The fourth proportional to 69,928,639.24, 104,875,066.83 and 20,732,988.87 is: 31,094,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,928,639.24 : 104,875,066.83 = 20,732,988.87 : x
  2. Step 2: Convert to fraction form
    69,928,639.24/104,875,066.83 = 20,732,988.87/x
  3. Step 3: Cross multiply
    69,928,639.24x = 104,875,066.83 × 20,732,988.87
  4. Step 4: Simplify right side
    69,928,639.24x = 2,174,373,593,223,231.50
  5. Step 5: Solve for x
    x = 2,174,373,593,223,231.50/69,928,639.24
  6. Step 6: Final answer
    x = 31,094,178.54

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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.