Home / 126,272,824-174,285,616.88-74,078,627.20

Finding the Fourth Proportional to 126,272,824, 174,285,616.88 and 74,078,627.20

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Solution

The fourth proportional to 126,272,824, 174,285,616.88 and 74,078,627.20 is: 102,245,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272,824 : 174,285,616.88 = 74,078,627.20 : x
  2. Step 2: Convert to fraction form
    126,272,824/174,285,616.88 = 74,078,627.20/x
  3. Step 3: Cross multiply
    126,272,824x = 174,285,616.88 × 74,078,627.20
  4. Step 4: Simplify right side
    126,272,824x = 12,910,839,239,175,548
  5. Step 5: Solve for x
    x = 12,910,839,239,175,548/126,272,824
  6. Step 6: Final answer
    x = 102,245,588.80

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1.5x scale

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.