Home / 187,204,846.55-280,260,869.74-109,242,845.51

Finding the Fourth Proportional to 187,204,846.55, 280,260,869.74 and 109,242,845.51

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Solution

The fourth proportional to 187,204,846.55, 280,260,869.74 and 109,242,845.51 is: 163,545,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,204,846.55 : 280,260,869.74 = 109,242,845.51 : x
  2. Step 2: Convert to fraction form
    187,204,846.55/280,260,869.74 = 109,242,845.51/x
  3. Step 3: Cross multiply
    187,204,846.55x = 280,260,869.74 × 109,242,845.51
  4. Step 4: Simplify right side
    187,204,846.55x = 30,616,494,893,830,644
  5. Step 5: Solve for x
    x = 30,616,494,893,830,644/187,204,846.55
  6. Step 6: Final answer
    x = 163,545,418.07

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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.