Home / 316,961,867.43-475,220,031.77-139,614,857.39

Finding the Fourth Proportional to 316,961,867.43, 475,220,031.77 and 139,614,857.39

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Solution

The fourth proportional to 316,961,867.43, 475,220,031.77 and 139,614,857.39 is: 209,324,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,961,867.43 : 475,220,031.77 = 139,614,857.39 : x
  2. Step 2: Convert to fraction form
    316,961,867.43/475,220,031.77 = 139,614,857.39/x
  3. Step 3: Cross multiply
    316,961,867.43x = 475,220,031.77 × 139,614,857.39
  4. Step 4: Simplify right side
    316,961,867.43x = 66,347,776,965,976,912
  5. Step 5: Solve for x
    x = 66,347,776,965,976,912/316,961,867.43
  6. Step 6: Final answer
    x = 209,324,160.99

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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.