Home / 116,640,642.80-174,960,964.20-114,940,031.60

Finding the Fourth Proportional to 116,640,642.80, 174,960,964.20 and 114,940,031.60

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Solution

The fourth proportional to 116,640,642.80, 174,960,964.20 and 114,940,031.60 is: 172,410,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,642.80 : 174,960,964.20 = 114,940,031.60 : x
  2. Step 2: Convert to fraction form
    116,640,642.80/174,960,964.20 = 114,940,031.60/x
  3. Step 3: Cross multiply
    116,640,642.80x = 174,960,964.20 × 114,940,031.60
  4. Step 4: Simplify right side
    116,640,642.80x = 20,110,018,753,914,468
  5. Step 5: Solve for x
    x = 20,110,018,753,914,468/116,640,642.80
  6. Step 6: Final answer
    x = 172,410,047.40

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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.