Home / 289,808,446.32-400,119,237.72-179,916,770.16

Finding the Fourth Proportional to 289,808,446.32, 400,119,237.72 and 179,916,770.16

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Solution

The fourth proportional to 289,808,446.32, 400,119,237.72 and 179,916,770.16 is: 248,399,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,808,446.32 : 400,119,237.72 = 179,916,770.16 : x
  2. Step 2: Convert to fraction form
    289,808,446.32/400,119,237.72 = 179,916,770.16/x
  3. Step 3: Cross multiply
    289,808,446.32x = 400,119,237.72 × 179,916,770.16
  4. Step 4: Simplify right side
    289,808,446.32x = 71,988,160,929,463,648
  5. Step 5: Solve for x
    x = 71,988,160,929,463,648/289,808,446.32
  6. Step 6: Final answer
    x = 248,399,112.74

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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.