Home / 79,925,725.92-119,936,417.88-34,487,520.42

Finding the Fourth Proportional to 79,925,725.92, 119,936,417.88 and 34,487,520.42

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Solution

The fourth proportional to 79,925,725.92, 119,936,417.88 and 34,487,520.42 is: 51,751,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,925,725.92 : 119,936,417.88 = 34,487,520.42 : x
  2. Step 2: Convert to fraction form
    79,925,725.92/119,936,417.88 = 34,487,520.42/x
  3. Step 3: Cross multiply
    79,925,725.92x = 119,936,417.88 × 34,487,520.42
  4. Step 4: Simplify right side
    79,925,725.92x = 4,136,309,660,738,153
  5. Step 5: Solve for x
    x = 4,136,309,660,738,153/79,925,725.92
  6. Step 6: Final answer
    x = 51,751,918.59

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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.