Home / 137,685,833.88-206,543,881.20-45,536,005.68

Finding the Fourth Proportional to 137,685,833.88, 206,543,881.20 and 45,536,005.68

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Solution

The fourth proportional to 137,685,833.88, 206,543,881.20 and 45,536,005.68 is: 68,309,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,685,833.88 : 206,543,881.20 = 45,536,005.68 : x
  2. Step 2: Convert to fraction form
    137,685,833.88/206,543,881.20 = 45,536,005.68/x
  3. Step 3: Cross multiply
    137,685,833.88x = 206,543,881.20 × 45,536,005.68
  4. Step 4: Simplify right side
    137,685,833.88x = 9,405,183,347,492,444
  5. Step 5: Solve for x
    x = 9,405,183,347,492,444/137,685,833.88
  6. Step 6: Final answer
    x = 68,309,012.50

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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.