Home / 257,325,315.92-355,111,679.10-139,850,652.22

Finding the Fourth Proportional to 257,325,315.92, 355,111,679.10 and 139,850,652.22

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Solution

The fourth proportional to 257,325,315.92, 355,111,679.10 and 139,850,652.22 is: 192,995,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,325,315.92 : 355,111,679.10 = 139,850,652.22 : x
  2. Step 2: Convert to fraction form
    257,325,315.92/355,111,679.10 = 139,850,652.22/x
  3. Step 3: Cross multiply
    257,325,315.92x = 355,111,679.10 × 139,850,652.22
  4. Step 4: Simplify right side
    257,325,315.92x = 49,662,599,933,074,344
  5. Step 5: Solve for x
    x = 49,662,599,933,074,344/257,325,315.92
  6. Step 6: Final answer
    x = 192,995,390.89

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1.5x scale

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.