Home / 200,878,383.04-277,242,423.82-122,607,420.41

Finding the Fourth Proportional to 200,878,383.04, 277,242,423.82 and 122,607,420.41

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Solution

The fourth proportional to 200,878,383.04, 277,242,423.82 and 122,607,420.41 is: 169,216,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,878,383.04 : 277,242,423.82 = 122,607,420.41 : x
  2. Step 2: Convert to fraction form
    200,878,383.04/277,242,423.82 = 122,607,420.41/x
  3. Step 3: Cross multiply
    200,878,383.04x = 277,242,423.82 × 122,607,420.41
  4. Step 4: Simplify right side
    200,878,383.04x = 33,991,978,412,302,128
  5. Step 5: Solve for x
    x = 33,991,978,412,302,128/200,878,383.04
  6. Step 6: Final answer
    x = 169,216,706.64

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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.