Home / 79,261,741.80-118,892,612.70-36,215,020.80

Finding the Fourth Proportional to 79,261,741.80, 118,892,612.70 and 36,215,020.80

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Solution

The fourth proportional to 79,261,741.80, 118,892,612.70 and 36,215,020.80 is: 54,322,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261,741.80 : 118,892,612.70 = 36,215,020.80 : x
  2. Step 2: Convert to fraction form
    79,261,741.80/118,892,612.70 = 36,215,020.80/x
  3. Step 3: Cross multiply
    79,261,741.80x = 118,892,612.70 × 36,215,020.80
  4. Step 4: Simplify right side
    79,261,741.80x = 4,305,698,441,896,844
  5. Step 5: Solve for x
    x = 4,305,698,441,896,844/79,261,741.80
  6. Step 6: Final answer
    x = 54,322,531.20

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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.