Home / 137,539,038.89-206,264,788.22-45,405,622.29

Finding the Fourth Proportional to 137,539,038.89, 206,264,788.22 and 45,405,622.29

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Solution

The fourth proportional to 137,539,038.89, 206,264,788.22 and 45,405,622.29 is: 68,093,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,539,038.89 : 206,264,788.22 = 45,405,622.29 : x
  2. Step 2: Convert to fraction form
    137,539,038.89/206,264,788.22 = 45,405,622.29/x
  3. Step 3: Cross multiply
    137,539,038.89x = 206,264,788.22 × 45,405,622.29
  4. Step 4: Simplify right side
    137,539,038.89x = 9,365,581,065,757,676
  5. Step 5: Solve for x
    x = 9,365,581,065,757,676/137,539,038.89
  6. Step 6: Final answer
    x = 68,093,983.65

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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.