Home / 126,076,092.48-174,012,059.16-79,636,809.60

Finding the Fourth Proportional to 126,076,092.48, 174,012,059.16 and 79,636,809.60

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Solution

The fourth proportional to 126,076,092.48, 174,012,059.16 and 79,636,809.60 is: 109,915,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,076,092.48 : 174,012,059.16 = 79,636,809.60 : x
  2. Step 2: Convert to fraction form
    126,076,092.48/174,012,059.16 = 79,636,809.60/x
  3. Step 3: Cross multiply
    126,076,092.48x = 174,012,059.16 × 79,636,809.60
  4. Step 4: Simplify right side
    126,076,092.48x = 13,857,765,223,428,854
  5. Step 5: Solve for x
    x = 13,857,765,223,428,854/126,076,092.48
  6. Step 6: Final answer
    x = 109,915,884.53

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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.