Home / 103,465,797.76-155,210,703.21-34,384,766.32

Finding the Fourth Proportional to 103,465,797.76, 155,210,703.21 and 34,384,766.32

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Solution

The fourth proportional to 103,465,797.76, 155,210,703.21 and 34,384,766.32 is: 51,581,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,465,797.76 : 155,210,703.21 = 34,384,766.32 : x
  2. Step 2: Convert to fraction form
    103,465,797.76/155,210,703.21 = 34,384,766.32/x
  3. Step 3: Cross multiply
    103,465,797.76x = 155,210,703.21 × 34,384,766.32
  4. Step 4: Simplify right side
    103,465,797.76x = 5,336,883,760,238,724
  5. Step 5: Solve for x
    x = 5,336,883,760,238,724/103,465,797.76
  6. Step 6: Final answer
    x = 51,581,139.62

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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.