Home / 157,186,215.66-234,674,112.22-120,104,034.15

Finding the Fourth Proportional to 157,186,215.66, 234,674,112.22 and 120,104,034.15

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Solution

The fourth proportional to 157,186,215.66, 234,674,112.22 and 120,104,034.15 is: 179,311,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,186,215.66 : 234,674,112.22 = 120,104,034.15 : x
  2. Step 2: Convert to fraction form
    157,186,215.66/234,674,112.22 = 120,104,034.15/x
  3. Step 3: Cross multiply
    157,186,215.66x = 234,674,112.22 × 120,104,034.15
  4. Step 4: Simplify right side
    157,186,215.66x = 28,185,307,588,191,812
  5. Step 5: Solve for x
    x = 28,185,307,588,191,812/157,186,215.66
  6. Step 6: Final answer
    x = 179,311,573.03

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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.