Home / 127,598,136.90-191,397,205.35-120,879,672.90

Finding the Fourth Proportional to 127,598,136.90, 191,397,205.35 and 120,879,672.90

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Solution

The fourth proportional to 127,598,136.90, 191,397,205.35 and 120,879,672.90 is: 181,319,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598,136.90 : 191,397,205.35 = 120,879,672.90 : x
  2. Step 2: Convert to fraction form
    127,598,136.90/191,397,205.35 = 120,879,672.90/x
  3. Step 3: Cross multiply
    127,598,136.90x = 191,397,205.35 × 120,879,672.90
  4. Step 4: Simplify right side
    127,598,136.90x = 23,136,031,576,682,132
  5. Step 5: Solve for x
    x = 23,136,031,576,682,132/127,598,136.90
  6. Step 6: Final answer
    x = 181,319,509.35

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Similar ratio
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1.5x scale

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.