Home / 137,276,364.74-189,440,736.39-74,552,023.76

Finding the Fourth Proportional to 137,276,364.74, 189,440,736.39 and 74,552,023.76

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Solution

The fourth proportional to 137,276,364.74, 189,440,736.39 and 74,552,023.76 is: 102,881,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,276,364.74 : 189,440,736.39 = 74,552,023.76 : x
  2. Step 2: Convert to fraction form
    137,276,364.74/189,440,736.39 = 74,552,023.76/x
  3. Step 3: Cross multiply
    137,276,364.74x = 189,440,736.39 × 74,552,023.76
  4. Step 4: Simplify right side
    137,276,364.74x = 14,123,190,279,511,970
  5. Step 5: Solve for x
    x = 14,123,190,279,511,970/137,276,364.74
  6. Step 6: Final answer
    x = 102,881,441.44

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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.