Home / 200,878,394.60-277,242,439.78-122,607,431.98

Finding the Fourth Proportional to 200,878,394.60, 277,242,439.78 and 122,607,431.98

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Solution

The fourth proportional to 200,878,394.60, 277,242,439.78 and 122,607,431.98 is: 169,216,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,878,394.60 : 277,242,439.78 = 122,607,431.98 : x
  2. Step 2: Convert to fraction form
    200,878,394.60/277,242,439.78 = 122,607,431.98/x
  3. Step 3: Cross multiply
    200,878,394.60x = 277,242,439.78 × 122,607,431.98
  4. Step 4: Simplify right side
    200,878,394.60x = 33,991,983,577,295,592
  5. Step 5: Solve for x
    x = 33,991,983,577,295,592/200,878,394.60
  6. Step 6: Final answer
    x = 169,216,722.61

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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.