Home / 157,213,354.30-235,863,780.02-68,589,679.66

Finding the Fourth Proportional to 157,213,354.30, 235,863,780.02 and 68,589,679.66

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Solution

The fourth proportional to 157,213,354.30, 235,863,780.02 and 68,589,679.66 is: 102,903,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,213,354.30 : 235,863,780.02 = 68,589,679.66 : x
  2. Step 2: Convert to fraction form
    157,213,354.30/235,863,780.02 = 68,589,679.66/x
  3. Step 3: Cross multiply
    157,213,354.30x = 235,863,780.02 × 68,589,679.66
  4. Step 4: Simplify right side
    157,213,354.30x = 16,177,821,114,968,508
  5. Step 5: Solve for x
    x = 16,177,821,114,968,508/157,213,354.30
  6. Step 6: Final answer
    x = 102,903,606.29

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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.