Home / 186,743,136.60-280,429,632.90-156,006,163.80

Finding the Fourth Proportional to 186,743,136.60, 280,429,632.90 and 156,006,163.80

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Solution

The fourth proportional to 186,743,136.60, 280,429,632.90 and 156,006,163.80 is: 234,272,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743,136.60 : 280,429,632.90 = 156,006,163.80 : x
  2. Step 2: Convert to fraction form
    186,743,136.60/280,429,632.90 = 156,006,163.80/x
  3. Step 3: Cross multiply
    186,743,136.60x = 280,429,632.90 × 156,006,163.80
  4. Step 4: Simplify right side
    186,743,136.60x = 43,748,751,244,571,272
  5. Step 5: Solve for x
    x = 43,748,751,244,571,272/186,743,136.60
  6. Step 6: Final answer
    x = 234,272,338.15

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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.