Home / 141,659,990.61-212,551,739.51-49,609,762.04

Finding the Fourth Proportional to 141,659,990.61, 212,551,739.51 and 49,609,762.04

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Solution

The fourth proportional to 141,659,990.61, 212,551,739.51 and 49,609,762.04 is: 74,436,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,659,990.61 : 212,551,739.51 = 49,609,762.04 : x
  2. Step 2: Convert to fraction form
    141,659,990.61/212,551,739.51 = 49,609,762.04/x
  3. Step 3: Cross multiply
    141,659,990.61x = 212,551,739.51 × 49,609,762.04
  4. Step 4: Simplify right side
    141,659,990.61x = 10,544,641,218,279,166
  5. Step 5: Solve for x
    x = 10,544,641,218,279,166/141,659,990.61
  6. Step 6: Final answer
    x = 74,436,269.36

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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.