Home / 153,086,428.20-229,629,642.30-146,709,136.20

Finding the Fourth Proportional to 153,086,428.20, 229,629,642.30 and 146,709,136.20

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Solution

The fourth proportional to 153,086,428.20, 229,629,642.30 and 146,709,136.20 is: 220,063,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,086,428.20 : 229,629,642.30 = 146,709,136.20 : x
  2. Step 2: Convert to fraction form
    153,086,428.20/229,629,642.30 = 146,709,136.20/x
  3. Step 3: Cross multiply
    153,086,428.20x = 229,629,642.30 × 146,709,136.20
  4. Step 4: Simplify right side
    153,086,428.20x = 33,688,766,467,747,980
  5. Step 5: Solve for x
    x = 33,688,766,467,747,980/153,086,428.20
  6. Step 6: Final answer
    x = 220,063,704.30

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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.