Home / 36,161,460.87-49,903,220.40-21,280,074.90

Finding the Fourth Proportional to 36,161,460.87, 49,903,220.40 and 21,280,074.90

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Solution

The fourth proportional to 36,161,460.87, 49,903,220.40 and 21,280,074.90 is: 29,366,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161,460.87 : 49,903,220.40 = 21,280,074.90 : x
  2. Step 2: Convert to fraction form
    36,161,460.87/49,903,220.40 = 21,280,074.90/x
  3. Step 3: Cross multiply
    36,161,460.87x = 49,903,220.40 × 21,280,074.90
  4. Step 4: Simplify right side
    36,161,460.87x = 1,061,944,267,863,207.88
  5. Step 5: Solve for x
    x = 1,061,944,267,863,207.88/36,161,460.87
  6. Step 6: Final answer
    x = 29,366,741.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.