Home / 229,065,843.38-316,108,206.65-124,642,115.55

Finding the Fourth Proportional to 229,065,843.38, 316,108,206.65 and 124,642,115.55

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Solution

The fourth proportional to 229,065,843.38, 316,108,206.65 and 124,642,115.55 is: 172,004,673.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,065,843.38 : 316,108,206.65 = 124,642,115.55 : x
  2. Step 2: Convert to fraction form
    229,065,843.38/316,108,206.65 = 124,642,115.55/x
  3. Step 3: Cross multiply
    229,065,843.38x = 316,108,206.65 × 124,642,115.55
  4. Step 4: Simplify right side
    229,065,843.38x = 39,400,395,619,884,176
  5. Step 5: Solve for x
    x = 39,400,395,619,884,176/229,065,843.38
  6. Step 6: Final answer
    x = 172,004,673.59

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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.