Home / 74,899,876,672.20-112,349,815,008.30-68,043,012,313.80

Finding the Fourth Proportional to 74,899,876,672.20, 112,349,815,008.30 and 68,043,012,313.80

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Solution

The fourth proportional to 74,899,876,672.20, 112,349,815,008.30 and 68,043,012,313.80 is: 102,064,518,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,899,876,672.20 : 112,349,815,008.30 = 68,043,012,313.80 : x
  2. Step 2: Convert to fraction form
    74,899,876,672.20/112,349,815,008.30 = 68,043,012,313.80/x
  3. Step 3: Cross multiply
    74,899,876,672.20x = 112,349,815,008.30 × 68,043,012,313.80
  4. Step 4: Simplify right side
    74,899,876,672.20x = 7,644,619,846,062,909,161,472
  5. Step 5: Solve for x
    x = 7,644,619,846,062,909,161,472/74,899,876,672.20
  6. Step 6: Final answer
    x = 102,064,518,470.70

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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.