Home / 253,220,491.44-349,436,771.28-140,195,019.24

Finding the Fourth Proportional to 253,220,491.44, 349,436,771.28 and 140,195,019.24

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Solution

The fourth proportional to 253,220,491.44, 349,436,771.28 and 140,195,019.24 is: 193,464,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,220,491.44 : 349,436,771.28 = 140,195,019.24 : x
  2. Step 2: Convert to fraction form
    253,220,491.44/349,436,771.28 = 140,195,019.24/x
  3. Step 3: Cross multiply
    253,220,491.44x = 349,436,771.28 × 140,195,019.24
  4. Step 4: Simplify right side
    253,220,491.44x = 48,989,294,872,763,080
  5. Step 5: Solve for x
    x = 48,989,294,872,763,080/253,220,491.44
  6. Step 6: Final answer
    x = 193,464,970.37

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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.