Home / 248,425,694.88-342,828,864.36-144,065,729.04

Finding the Fourth Proportional to 248,425,694.88, 342,828,864.36 and 144,065,729.04

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Solution

The fourth proportional to 248,425,694.88, 342,828,864.36 and 144,065,729.04 is: 198,811,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,425,694.88 : 342,828,864.36 = 144,065,729.04 : x
  2. Step 2: Convert to fraction form
    248,425,694.88/342,828,864.36 = 144,065,729.04/x
  3. Step 3: Cross multiply
    248,425,694.88x = 342,828,864.36 × 144,065,729.04
  4. Step 4: Simplify right side
    248,425,694.88x = 49,389,890,279,978,672
  5. Step 5: Solve for x
    x = 49,389,890,279,978,672/248,425,694.88
  6. Step 6: Final answer
    x = 198,811,521.10

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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.