Home / 248,375,808,002.20-372,563,712,003.30-99,242,031,515.80

Finding the Fourth Proportional to 248,375,808,002.20, 372,563,712,003.30 and 99,242,031,515.80

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Solution

The fourth proportional to 248,375,808,002.20, 372,563,712,003.30 and 99,242,031,515.80 is: 148,863,047,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,375,808,002.20 : 372,563,712,003.30 = 99,242,031,515.80 : x
  2. Step 2: Convert to fraction form
    248,375,808,002.20/372,563,712,003.30 = 99,242,031,515.80/x
  3. Step 3: Cross multiply
    248,375,808,002.20x = 372,563,712,003.30 × 99,242,031,515.80
  4. Step 4: Simplify right side
    248,375,808,002.20x = 36,973,979,648,274,932,432,896
  5. Step 5: Solve for x
    x = 36,973,979,648,274,932,432,896/248,375,808,002.20
  6. Step 6: Final answer
    x = 148,863,047,273.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.