Home / 248,425,729.72-342,828,912.94-144,065,764.28

Finding the Fourth Proportional to 248,425,729.72, 342,828,912.94 and 144,065,764.28

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Solution

The fourth proportional to 248,425,729.72, 342,828,912.94 and 144,065,764.28 is: 198,811,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,425,729.72 : 342,828,912.94 = 144,065,764.28 : x
  2. Step 2: Convert to fraction form
    248,425,729.72/342,828,912.94 = 144,065,764.28/x
  3. Step 3: Cross multiply
    248,425,729.72x = 342,828,912.94 × 144,065,764.28
  4. Step 4: Simplify right side
    248,425,729.72x = 49,389,909,359,982,680
  5. Step 5: Solve for x
    x = 49,389,909,359,982,680/248,425,729.72
  6. Step 6: Final answer
    x = 198,811,570.02

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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.