Home / 340,111,621.40-510,167,432.10-145,990,002.20

Finding the Fourth Proportional to 340,111,621.40, 510,167,432.10 and 145,990,002.20

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Solution

The fourth proportional to 340,111,621.40, 510,167,432.10 and 145,990,002.20 is: 218,985,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,111,621.40 : 510,167,432.10 = 145,990,002.20 : x
  2. Step 2: Convert to fraction form
    340,111,621.40/510,167,432.10 = 145,990,002.20/x
  3. Step 3: Cross multiply
    340,111,621.40x = 510,167,432.10 × 145,990,002.20
  4. Step 4: Simplify right side
    340,111,621.40x = 74,479,344,534,647,344
  5. Step 5: Solve for x
    x = 74,479,344,534,647,344/340,111,621.40
  6. Step 6: Final answer
    x = 218,985,003.30

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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.