Home / 286,729,936.66-430,097,394.06-92,641,372.57

Finding the Fourth Proportional to 286,729,936.66, 430,097,394.06 and 92,641,372.57

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Solution

The fourth proportional to 286,729,936.66, 430,097,394.06 and 92,641,372.57 is: 138,962,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,729,936.66 : 430,097,394.06 = 92,641,372.57 : x
  2. Step 2: Convert to fraction form
    286,729,936.66/430,097,394.06 = 92,641,372.57/x
  3. Step 3: Cross multiply
    286,729,936.66x = 430,097,394.06 × 92,641,372.57
  4. Step 4: Simplify right side
    286,729,936.66x = 39,844,812,923,423,320
  5. Step 5: Solve for x
    x = 39,844,812,923,423,320/286,729,936.66
  6. Step 6: Final answer
    x = 138,962,863.06

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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.