Home / 137,685,832.31-206,543,878.86-45,536,004.11

Finding the Fourth Proportional to 137,685,832.31, 206,543,878.86 and 45,536,004.11

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Solution

The fourth proportional to 137,685,832.31, 206,543,878.86 and 45,536,004.11 is: 68,309,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,685,832.31 : 206,543,878.86 = 45,536,004.11 : x
  2. Step 2: Convert to fraction form
    137,685,832.31/206,543,878.86 = 45,536,004.11/x
  3. Step 3: Cross multiply
    137,685,832.31x = 206,543,878.86 × 45,536,004.11
  4. Step 4: Simplify right side
    137,685,832.31x = 9,405,182,915,631,582
  5. Step 5: Solve for x
    x = 9,405,182,915,631,582/137,685,832.31
  6. Step 6: Final answer
    x = 68,309,010.14

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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.