Home / 187,310,461.14-258,482,824.78-103,682,019.64

Finding the Fourth Proportional to 187,310,461.14, 258,482,824.78 and 103,682,019.64

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Solution

The fourth proportional to 187,310,461.14, 258,482,824.78 and 103,682,019.64 is: 143,078,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,310,461.14 : 258,482,824.78 = 103,682,019.64 : x
  2. Step 2: Convert to fraction form
    187,310,461.14/258,482,824.78 = 103,682,019.64/x
  3. Step 3: Cross multiply
    187,310,461.14x = 258,482,824.78 × 103,682,019.64
  4. Step 4: Simplify right side
    187,310,461.14x = 26,800,021,315,442,640
  5. Step 5: Solve for x
    x = 26,800,021,315,442,640/187,310,461.14
  6. Step 6: Final answer
    x = 143,078,080.92

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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.