Home / 209,952,720.30-314,929,080.45-132,858,345.90

Finding the Fourth Proportional to 209,952,720.30, 314,929,080.45 and 132,858,345.90

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Solution

The fourth proportional to 209,952,720.30, 314,929,080.45 and 132,858,345.90 is: 199,287,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,720.30 : 314,929,080.45 = 132,858,345.90 : x
  2. Step 2: Convert to fraction form
    209,952,720.30/314,929,080.45 = 132,858,345.90/x
  3. Step 3: Cross multiply
    209,952,720.30x = 314,929,080.45 × 132,858,345.90
  4. Step 4: Simplify right side
    209,952,720.30x = 41,840,956,704,395,024
  5. Step 5: Solve for x
    x = 41,840,956,704,395,024/209,952,720.30
  6. Step 6: Final answer
    x = 199,287,518.85

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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.