Home / 258,784,297.77-388,105,744.10-92,756,857.16

Finding the Fourth Proportional to 258,784,297.77, 388,105,744.10 and 92,756,857.16

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Solution

The fourth proportional to 258,784,297.77, 388,105,744.10 and 92,756,857.16 is: 139,109,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,784,297.77 : 388,105,744.10 = 92,756,857.16 : x
  2. Step 2: Convert to fraction form
    258,784,297.77/388,105,744.10 = 92,756,857.16/x
  3. Step 3: Cross multiply
    258,784,297.77x = 388,105,744.10 × 92,756,857.16
  4. Step 4: Simplify right side
    258,784,297.77x = 35,999,469,068,528,276
  5. Step 5: Solve for x
    x = 35,999,469,068,528,276/258,784,297.77
  6. Step 6: Final answer
    x = 139,109,943.61

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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.