Home / 269,042,416.20-403,563,624.30-74,983,782.60

Finding the Fourth Proportional to 269,042,416.20, 403,563,624.30 and 74,983,782.60

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Solution

The fourth proportional to 269,042,416.20, 403,563,624.30 and 74,983,782.60 is: 112,475,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,042,416.20 : 403,563,624.30 = 74,983,782.60 : x
  2. Step 2: Convert to fraction form
    269,042,416.20/403,563,624.30 = 74,983,782.60/x
  3. Step 3: Cross multiply
    269,042,416.20x = 403,563,624.30 × 74,983,782.60
  4. Step 4: Simplify right side
    269,042,416.20x = 30,260,727,069,779,276
  5. Step 5: Solve for x
    x = 30,260,727,069,779,276/269,042,416.20
  6. Step 6: Final answer
    x = 112,475,673.90

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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.