Home / 253,220,245.71-349,436,431.53-140,194,773.20

Finding the Fourth Proportional to 253,220,245.71, 349,436,431.53 and 140,194,773.20

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Solution

The fourth proportional to 253,220,245.71, 349,436,431.53 and 140,194,773.20 is: 193,464,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,220,245.71 : 349,436,431.53 = 140,194,773.20 : x
  2. Step 2: Convert to fraction form
    253,220,245.71/349,436,431.53 = 140,194,773.20/x
  3. Step 3: Cross multiply
    253,220,245.71x = 349,436,431.53 × 140,194,773.20
  4. Step 4: Simplify right side
    253,220,245.71x = 48,989,161,264,418,488
  5. Step 5: Solve for x
    x = 48,989,161,264,418,488/253,220,245.71
  6. Step 6: Final answer
    x = 193,464,630.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.