Home / 129,635,537,733.54-178,899,160,062.32-70,973,381,067.71

Finding the Fourth Proportional to 129,635,537,733.54, 178,899,160,062.32 and 70,973,381,067.71

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Solution

The fourth proportional to 129,635,537,733.54, 178,899,160,062.32 and 70,973,381,067.71 is: 97,944,425,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,635,537,733.54 : 178,899,160,062.32 = 70,973,381,067.71 : x
  2. Step 2: Convert to fraction form
    129,635,537,733.54/178,899,160,062.32 = 70,973,381,067.71/x
  3. Step 3: Cross multiply
    129,635,537,733.54x = 178,899,160,062.32 × 70,973,381,067.71
  4. Step 4: Simplify right side
    129,635,537,733.54x = 12,697,078,259,795,389,054,976
  5. Step 5: Solve for x
    x = 12,697,078,259,795,389,054,976/129,635,537,733.54
  6. Step 6: Final answer
    x = 97,944,425,439.06

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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.