Home / 138,736,490.20-207,974,384.63-46,555,580.69

Finding the Fourth Proportional to 138,736,490.20, 207,974,384.63 and 46,555,580.69

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Solution

The fourth proportional to 138,736,490.20, 207,974,384.63 and 46,555,580.69 is: 69,789,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,736,490.20 : 207,974,384.63 = 46,555,580.69 : x
  2. Step 2: Convert to fraction form
    138,736,490.20/207,974,384.63 = 46,555,580.69/x
  3. Step 3: Cross multiply
    138,736,490.20x = 207,974,384.63 × 46,555,580.69
  4. Step 4: Simplify right side
    138,736,490.20x = 9,682,368,244,535,210
  5. Step 5: Solve for x
    x = 9,682,368,244,535,210/138,736,490.20
  6. Step 6: Final answer
    x = 69,789,629.47

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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.