Home / 124,691,054,785.56-172,086,480,824.89-75,865,341,548.45

Finding the Fourth Proportional to 124,691,054,785.56, 172,086,480,824.89 and 75,865,341,548.45

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Solution

The fourth proportional to 124,691,054,785.56, 172,086,480,824.89 and 75,865,341,548.45 is: 104,701,974,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,691,054,785.56 : 172,086,480,824.89 = 75,865,341,548.45 : x
  2. Step 2: Convert to fraction form
    124,691,054,785.56/172,086,480,824.89 = 75,865,341,548.45/x
  3. Step 3: Cross multiply
    124,691,054,785.56x = 172,086,480,824.89 × 75,865,341,548.45
  4. Step 4: Simplify right side
    124,691,054,785.56x = 13,055,399,643,651,415,998,464
  5. Step 5: Solve for x
    x = 13,055,399,643,651,415,998,464/124,691,054,785.56
  6. Step 6: Final answer
    x = 104,701,974,541.03

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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.