Home / 137,685,832.25-206,543,878.77-45,536,004.05

Finding the Fourth Proportional to 137,685,832.25, 206,543,878.77 and 45,536,004.05

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Solution

The fourth proportional to 137,685,832.25, 206,543,878.77 and 45,536,004.05 is: 68,309,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,685,832.25 : 206,543,878.77 = 45,536,004.05 : x
  2. Step 2: Convert to fraction form
    137,685,832.25/206,543,878.77 = 45,536,004.05/x
  3. Step 3: Cross multiply
    137,685,832.25x = 206,543,878.77 × 45,536,004.05
  4. Step 4: Simplify right side
    137,685,832.25x = 9,405,182,898,913,030
  5. Step 5: Solve for x
    x = 9,405,182,898,913,030/137,685,832.25
  6. Step 6: Final answer
    x = 68,309,010.05

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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.