Home / 128,695,561,627.20-177,599,904,034.80-70,823,941,444.37

Finding the Fourth Proportional to 128,695,561,627.20, 177,599,904,034.80 and 70,823,941,444.37

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Solution

The fourth proportional to 128,695,561,627.20, 177,599,904,034.80 and 70,823,941,444.37 is: 97,737,055,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,695,561,627.20 : 177,599,904,034.80 = 70,823,941,444.37 : x
  2. Step 2: Convert to fraction form
    128,695,561,627.20/177,599,904,034.80 = 70,823,941,444.37/x
  3. Step 3: Cross multiply
    128,695,561,627.20x = 177,599,904,034.80 × 70,823,941,444.37
  4. Step 4: Simplify right side
    128,695,561,627.20x = 12,578,325,203,885,519,536,128
  5. Step 5: Solve for x
    x = 12,578,325,203,885,519,536,128/128,695,561,627.20
  6. Step 6: Final answer
    x = 97,737,055,146.64

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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.