Home / 338,383,136.20-507,585,740.46-161,081,811.40

Finding the Fourth Proportional to 338,383,136.20, 507,585,740.46 and 161,081,811.40

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Solution

The fourth proportional to 338,383,136.20, 507,585,740.46 and 161,081,811.40 is: 241,627,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,383,136.20 : 507,585,740.46 = 161,081,811.40 : x
  2. Step 2: Convert to fraction form
    338,383,136.20/507,585,740.46 = 161,081,811.40/x
  3. Step 3: Cross multiply
    338,383,136.20x = 507,585,740.46 × 161,081,811.40
  4. Step 4: Simplify right side
    338,383,136.20x = 81,762,830,514,107,072
  5. Step 5: Solve for x
    x = 81,762,830,514,107,072/338,383,136.20
  6. Step 6: Final answer
    x = 241,627,970.69

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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.