Home / 383,670,030.30-575,505,045.45-141,427,412.70

Finding the Fourth Proportional to 383,670,030.30, 575,505,045.45 and 141,427,412.70

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Solution

The fourth proportional to 383,670,030.30, 575,505,045.45 and 141,427,412.70 is: 212,141,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,670,030.30 : 575,505,045.45 = 141,427,412.70 : x
  2. Step 2: Convert to fraction form
    383,670,030.30/575,505,045.45 = 141,427,412.70/x
  3. Step 3: Cross multiply
    383,670,030.30x = 575,505,045.45 × 141,427,412.70
  4. Step 4: Simplify right side
    383,670,030.30x = 81,392,189,573,789,408
  5. Step 5: Solve for x
    x = 81,392,189,573,789,408/383,670,030.30
  6. Step 6: Final answer
    x = 212,141,119.05

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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.