Home / 172,066,164.17-258,099,011.96-79,899,503.76

Finding the Fourth Proportional to 172,066,164.17, 258,099,011.96 and 79,899,503.76

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Solution

The fourth proportional to 172,066,164.17, 258,099,011.96 and 79,899,503.76 is: 119,849,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,066,164.17 : 258,099,011.96 = 79,899,503.76 : x
  2. Step 2: Convert to fraction form
    172,066,164.17/258,099,011.96 = 79,899,503.76/x
  3. Step 3: Cross multiply
    172,066,164.17x = 258,099,011.96 × 79,899,503.76
  4. Step 4: Simplify right side
    172,066,164.17x = 20,621,982,976,150,808
  5. Step 5: Solve for x
    x = 20,621,982,976,150,808/172,066,164.17
  6. Step 6: Final answer
    x = 119,849,146.85

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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.