Home / 289,471,779.27-433,851,935.59-133,815,035.42

Finding the Fourth Proportional to 289,471,779.27, 433,851,935.59 and 133,815,035.42

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Solution

The fourth proportional to 289,471,779.27, 433,851,935.59 and 133,815,035.42 is: 200,558,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,471,779.27 : 433,851,935.59 = 133,815,035.42 : x
  2. Step 2: Convert to fraction form
    289,471,779.27/433,851,935.59 = 133,815,035.42/x
  3. Step 3: Cross multiply
    289,471,779.27x = 433,851,935.59 × 133,815,035.42
  4. Step 4: Simplify right side
    289,471,779.27x = 58,055,912,129,322,896
  5. Step 5: Solve for x
    x = 58,055,912,129,322,896/289,471,779.27
  6. Step 6: Final answer
    x = 200,558,107.17

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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.