Home / 201,852,475.38-278,556,528.15-109,032,984

Finding the Fourth Proportional to 201,852,475.38, 278,556,528.15 and 109,032,984

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Solution

The fourth proportional to 201,852,475.38, 278,556,528.15 and 109,032,984 is: 150,465,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,475.38 : 278,556,528.15 = 109,032,984 : x
  2. Step 2: Convert to fraction form
    201,852,475.38/278,556,528.15 = 109,032,984/x
  3. Step 3: Cross multiply
    201,852,475.38x = 278,556,528.15 × 109,032,984
  4. Step 4: Simplify right side
    201,852,475.38x = 30,371,849,476,874,496
  5. Step 5: Solve for x
    x = 30,371,849,476,874,496/201,852,475.38
  6. Step 6: Final answer
    x = 150,465,578.49

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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.