Home / 128,464,555,284.67-177,270,692,841.15-74,274,580,725.28

Finding the Fourth Proportional to 128,464,555,284.67, 177,270,692,841.15 and 74,274,580,725.28

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Solution

The fourth proportional to 128,464,555,284.67, 177,270,692,841.15 and 74,274,580,725.28 is: 102,492,912,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,464,555,284.67 : 177,270,692,841.15 = 74,274,580,725.28 : x
  2. Step 2: Convert to fraction form
    128,464,555,284.67/177,270,692,841.15 = 74,274,580,725.28/x
  3. Step 3: Cross multiply
    128,464,555,284.67x = 177,270,692,841.15 × 74,274,580,725.28
  4. Step 4: Simplify right side
    128,464,555,284.67x = 13,166,706,385,655,777,198,080
  5. Step 5: Solve for x
    x = 13,166,706,385,655,777,198,080/128,464,555,284.67
  6. Step 6: Final answer
    x = 102,492,912,200.41

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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.