Home / 250,990,314.39-346,375,045.03-139,485,854.92

Finding the Fourth Proportional to 250,990,314.39, 346,375,045.03 and 139,485,854.92

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Solution

The fourth proportional to 250,990,314.39, 346,375,045.03 and 139,485,854.92 is: 192,495,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990,314.39 : 346,375,045.03 = 139,485,854.92 : x
  2. Step 2: Convert to fraction form
    250,990,314.39/346,375,045.03 = 139,485,854.92/x
  3. Step 3: Cross multiply
    250,990,314.39x = 346,375,045.03 × 139,485,854.92
  4. Step 4: Simplify right side
    250,990,314.39x = 48,314,419,278,963,040
  5. Step 5: Solve for x
    x = 48,314,419,278,963,040/250,990,314.39
  6. Step 6: Final answer
    x = 192,495,154.23

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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.