Home / 189,935,397.22-283,306,189.48-172,498,818.01

Finding the Fourth Proportional to 189,935,397.22, 283,306,189.48 and 172,498,818.01

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Solution

The fourth proportional to 189,935,397.22, 283,306,189.48 and 172,498,818.01 is: 257,297,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,935,397.22 : 283,306,189.48 = 172,498,818.01 : x
  2. Step 2: Convert to fraction form
    189,935,397.22/283,306,189.48 = 172,498,818.01/x
  3. Step 3: Cross multiply
    189,935,397.22x = 283,306,189.48 × 172,498,818.01
  4. Step 4: Simplify right side
    189,935,397.22x = 48,869,982,820,217,096
  5. Step 5: Solve for x
    x = 48,869,982,820,217,096/189,935,397.22
  6. Step 6: Final answer
    x = 257,297,920.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.