Home / 229,493,519.36-316,691,813.60-125,069,343.20

Finding the Fourth Proportional to 229,493,519.36, 316,691,813.60 and 125,069,343.20

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Solution

The fourth proportional to 229,493,519.36, 316,691,813.60 and 125,069,343.20 is: 172,590,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,493,519.36 : 316,691,813.60 = 125,069,343.20 : x
  2. Step 2: Convert to fraction form
    229,493,519.36/316,691,813.60 = 125,069,343.20/x
  3. Step 3: Cross multiply
    229,493,519.36x = 316,691,813.60 × 125,069,343.20
  4. Step 4: Simplify right side
    229,493,519.36x = 39,608,437,123,768,832
  5. Step 5: Solve for x
    x = 39,608,437,123,768,832/229,493,519.36
  6. Step 6: Final answer
    x = 172,590,656.30

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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.