Home / 383,670,038.30-575,505,057.45-141,427,420.70

Finding the Fourth Proportional to 383,670,038.30, 575,505,057.45 and 141,427,420.70

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Solution

The fourth proportional to 383,670,038.30, 575,505,057.45 and 141,427,420.70 is: 212,141,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,670,038.30 : 575,505,057.45 = 141,427,420.70 : x
  2. Step 2: Convert to fraction form
    383,670,038.30/575,505,057.45 = 141,427,420.70/x
  3. Step 3: Cross multiply
    383,670,038.30x = 575,505,057.45 × 141,427,420.70
  4. Step 4: Simplify right side
    383,670,038.30x = 81,392,195,874,958,816
  5. Step 5: Solve for x
    x = 81,392,195,874,958,816/383,670,038.30
  6. Step 6: Final answer
    x = 212,141,131.05

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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.