Home / 273,979,377.10-378,119,720.78-166,696,315.76

Finding the Fourth Proportional to 273,979,377.10, 378,119,720.78 and 166,696,315.76

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Solution

The fourth proportional to 273,979,377.10, 378,119,720.78 and 166,696,315.76 is: 230,058,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,979,377.10 : 378,119,720.78 = 166,696,315.76 : x
  2. Step 2: Convert to fraction form
    273,979,377.10/378,119,720.78 = 166,696,315.76/x
  3. Step 3: Cross multiply
    273,979,377.10x = 378,119,720.78 × 166,696,315.76
  4. Step 4: Simplify right side
    273,979,377.10x = 63,031,164,368,837,808
  5. Step 5: Solve for x
    x = 63,031,164,368,837,808/273,979,377.10
  6. Step 6: Final answer
    x = 230,058,061.43

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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.