Home / 136,951,848.63-188,995,853.75-74,229,935.22

Finding the Fourth Proportional to 136,951,848.63, 188,995,853.75 and 74,229,935.22

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Solution

The fourth proportional to 136,951,848.63, 188,995,853.75 and 74,229,935.22 is: 102,438,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,951,848.63 : 188,995,853.75 = 74,229,935.22 : x
  2. Step 2: Convert to fraction form
    136,951,848.63/188,995,853.75 = 74,229,935.22/x
  3. Step 3: Cross multiply
    136,951,848.63x = 188,995,853.75 × 74,229,935.22
  4. Step 4: Simplify right side
    136,951,848.63x = 14,029,149,980,339,944
  5. Step 5: Solve for x
    x = 14,029,149,980,339,944/136,951,848.63
  6. Step 6: Final answer
    x = 102,438,558.67

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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.