Home / 248,429,401.89-342,846,056.75-142,581,970.96

Finding the Fourth Proportional to 248,429,401.89, 342,846,056.75 and 142,581,970.96

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Solution

The fourth proportional to 248,429,401.89, 342,846,056.75 and 142,581,970.96 is: 196,770,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,429,401.89 : 342,846,056.75 = 142,581,970.96 : x
  2. Step 2: Convert to fraction form
    248,429,401.89/342,846,056.75 = 142,581,970.96/x
  3. Step 3: Cross multiply
    248,429,401.89x = 342,846,056.75 × 142,581,970.96
  4. Step 4: Simplify right side
    248,429,401.89x = 48,883,666,507,279,016
  5. Step 5: Solve for x
    x = 48,883,666,507,279,016/248,429,401.89
  6. Step 6: Final answer
    x = 196,770,857.78

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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.