Home / 122,418,065.76-168,935,261.64-69,494,313.06

Finding the Fourth Proportional to 122,418,065.76, 168,935,261.64 and 69,494,313.06

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Solution

The fourth proportional to 122,418,065.76, 168,935,261.64 and 69,494,313.06 is: 95,901,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,418,065.76 : 168,935,261.64 = 69,494,313.06 : x
  2. Step 2: Convert to fraction form
    122,418,065.76/168,935,261.64 = 69,494,313.06/x
  3. Step 3: Cross multiply
    122,418,065.76x = 168,935,261.64 × 69,494,313.06
  4. Step 4: Simplify right side
    122,418,065.76x = 11,740,039,959,283,168
  5. Step 5: Solve for x
    x = 11,740,039,959,283,168/122,418,065.76
  6. Step 6: Final answer
    x = 95,901,204.50

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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.