Home / 250,626,960.57-345,847,891.28-139,109,028.42

Finding the Fourth Proportional to 250,626,960.57, 345,847,891.28 and 139,109,028.42

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Solution

The fourth proportional to 250,626,960.57, 345,847,891.28 and 139,109,028.42 is: 191,960,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,626,960.57 : 345,847,891.28 = 139,109,028.42 : x
  2. Step 2: Convert to fraction form
    250,626,960.57/345,847,891.28 = 139,109,028.42/x
  3. Step 3: Cross multiply
    250,626,960.57x = 345,847,891.28 × 139,109,028.42
  4. Step 4: Simplify right side
    250,626,960.57x = 48,110,564,136,371,040
  5. Step 5: Solve for x
    x = 48,110,564,136,371,040/250,626,960.57
  6. Step 6: Final answer
    x = 191,960,849.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.