Home / 292,123,979.74-403,131,082.49-159,973,055.85

Finding the Fourth Proportional to 292,123,979.74, 403,131,082.49 and 159,973,055.85

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Solution

The fourth proportional to 292,123,979.74, 403,131,082.49 and 159,973,055.85 is: 220,762,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,123,979.74 : 403,131,082.49 = 159,973,055.85 : x
  2. Step 2: Convert to fraction form
    292,123,979.74/403,131,082.49 = 159,973,055.85/x
  3. Step 3: Cross multiply
    292,123,979.74x = 403,131,082.49 × 159,973,055.85
  4. Step 4: Simplify right side
    292,123,979.74x = 64,490,111,173,988,944
  5. Step 5: Solve for x
    x = 64,490,111,173,988,944/292,123,979.74
  6. Step 6: Final answer
    x = 220,762,811.85

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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.