Home / 134,755,852.26-185,963,636.40-72,876,190.80

Finding the Fourth Proportional to 134,755,852.26, 185,963,636.40 and 72,876,190.80

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Solution

The fourth proportional to 134,755,852.26, 185,963,636.40 and 72,876,190.80 is: 100,569,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755,852.26 : 185,963,636.40 = 72,876,190.80 : x
  2. Step 2: Convert to fraction form
    134,755,852.26/185,963,636.40 = 72,876,190.80/x
  3. Step 3: Cross multiply
    134,755,852.26x = 185,963,636.40 × 72,876,190.80
  4. Step 4: Simplify right side
    134,755,852.26x = 13,552,321,448,148,226
  5. Step 5: Solve for x
    x = 13,552,321,448,148,226/134,755,852.26
  6. Step 6: Final answer
    x = 100,569,446.31

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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.