Home / 129,873,175.17-179,222,767.56-70,333,988.07

Finding the Fourth Proportional to 129,873,175.17, 179,222,767.56 and 70,333,988.07

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Solution

The fourth proportional to 129,873,175.17, 179,222,767.56 and 70,333,988.07 is: 97,059,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,873,175.17 : 179,222,767.56 = 70,333,988.07 : x
  2. Step 2: Convert to fraction form
    129,873,175.17/179,222,767.56 = 70,333,988.07/x
  3. Step 3: Cross multiply
    129,873,175.17x = 179,222,767.56 × 70,333,988.07
  4. Step 4: Simplify right side
    129,873,175.17x = 12,605,451,995,437,422
  5. Step 5: Solve for x
    x = 12,605,451,995,437,422/129,873,175.17
  6. Step 6: Final answer
    x = 97,059,704.43

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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.