Home / 157,186,215.78-234,674,112.36-120,104,034.30

Finding the Fourth Proportional to 157,186,215.78, 234,674,112.36 and 120,104,034.30

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Solution

The fourth proportional to 157,186,215.78, 234,674,112.36 and 120,104,034.30 is: 179,311,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,186,215.78 : 234,674,112.36 = 120,104,034.30 : x
  2. Step 2: Convert to fraction form
    157,186,215.78/234,674,112.36 = 120,104,034.30/x
  3. Step 3: Cross multiply
    157,186,215.78x = 234,674,112.36 × 120,104,034.30
  4. Step 4: Simplify right side
    157,186,215.78x = 28,185,307,640,207,496
  5. Step 5: Solve for x
    x = 28,185,307,640,207,496/157,186,215.78
  6. Step 6: Final answer
    x = 179,311,573.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.