Home / 109,165,654.44-150,630,821.10-64,505,412

Finding the Fourth Proportional to 109,165,654.44, 150,630,821.10 and 64,505,412

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Solution

The fourth proportional to 109,165,654.44, 150,630,821.10 and 64,505,412 is: 89,006,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,165,654.44 : 150,630,821.10 = 64,505,412 : x
  2. Step 2: Convert to fraction form
    109,165,654.44/150,630,821.10 = 64,505,412/x
  3. Step 3: Cross multiply
    109,165,654.44x = 150,630,821.10 × 64,505,412
  4. Step 4: Simplify right side
    109,165,654.44x = 9,716,503,174,953,792
  5. Step 5: Solve for x
    x = 9,716,503,174,953,792/109,165,654.44
  6. Step 6: Final answer
    x = 89,006,961.25

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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.