Home / 383,670,004.80-575,505,007.20-141,427,387.20

Finding the Fourth Proportional to 383,670,004.80, 575,505,007.20 and 141,427,387.20

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Solution

The fourth proportional to 383,670,004.80, 575,505,007.20 and 141,427,387.20 is: 212,141,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,670,004.80 : 575,505,007.20 = 141,427,387.20 : x
  2. Step 2: Convert to fraction form
    383,670,004.80/575,505,007.20 = 141,427,387.20/x
  3. Step 3: Cross multiply
    383,670,004.80x = 575,505,007.20 × 141,427,387.20
  4. Step 4: Simplify right side
    383,670,004.80x = 81,392,169,488,813,184
  5. Step 5: Solve for x
    x = 81,392,169,488,813,184/383,670,004.80
  6. Step 6: Final answer
    x = 212,141,080.80

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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.