Home / 258,400,211.10-387,599,725.30-110,752,033.78

Finding the Fourth Proportional to 258,400,211.10, 387,599,725.30 and 110,752,033.78

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Solution

The fourth proportional to 258,400,211.10, 387,599,725.30 and 110,752,033.78 is: 166,127,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,400,211.10 : 387,599,725.30 = 110,752,033.78 : x
  2. Step 2: Convert to fraction form
    258,400,211.10/387,599,725.30 = 110,752,033.78/x
  3. Step 3: Cross multiply
    258,400,211.10x = 387,599,725.30 × 110,752,033.78
  4. Step 4: Simplify right side
    258,400,211.10x = 42,927,457,869,821,200
  5. Step 5: Solve for x
    x = 42,927,457,869,821,200/258,400,211.10
  6. Step 6: Final answer
    x = 166,127,797.22

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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.