Home / 248,425,695.38-342,828,865.05-144,065,729.54

Finding the Fourth Proportional to 248,425,695.38, 342,828,865.05 and 144,065,729.54

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Solution

The fourth proportional to 248,425,695.38, 342,828,865.05 and 144,065,729.54 is: 198,811,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,425,695.38 : 342,828,865.05 = 144,065,729.54 : x
  2. Step 2: Convert to fraction form
    248,425,695.38/342,828,865.05 = 144,065,729.54/x
  3. Step 3: Cross multiply
    248,425,695.38x = 342,828,865.05 × 144,065,729.54
  4. Step 4: Simplify right side
    248,425,695.38x = 49,389,890,550,798,456
  5. Step 5: Solve for x
    x = 49,389,890,550,798,456/248,425,695.38
  6. Step 6: Final answer
    x = 198,811,521.79

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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.