Home / 201,852,472.38-278,556,524.01-109,032,981

Finding the Fourth Proportional to 201,852,472.38, 278,556,524.01 and 109,032,981

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Solution

The fourth proportional to 201,852,472.38, 278,556,524.01 and 109,032,981 is: 150,465,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,472.38 : 278,556,524.01 = 109,032,981 : x
  2. Step 2: Convert to fraction form
    201,852,472.38/278,556,524.01 = 109,032,981/x
  3. Step 3: Cross multiply
    201,852,472.38x = 278,556,524.01 × 109,032,981
  4. Step 4: Simplify right side
    201,852,472.38x = 30,371,848,189,808,372
  5. Step 5: Solve for x
    x = 30,371,848,189,808,372/201,852,472.38
  6. Step 6: Final answer
    x = 150,465,574.35

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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.