Home / 191,947,867.56-264,919,732.38-117,649,757.34

Finding the Fourth Proportional to 191,947,867.56, 264,919,732.38 and 117,649,757.34

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Solution

The fourth proportional to 191,947,867.56, 264,919,732.38 and 117,649,757.34 is: 162,376,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,947,867.56 : 264,919,732.38 = 117,649,757.34 : x
  2. Step 2: Convert to fraction form
    191,947,867.56/264,919,732.38 = 117,649,757.34/x
  3. Step 3: Cross multiply
    191,947,867.56x = 264,919,732.38 × 117,649,757.34
  4. Step 4: Simplify right side
    191,947,867.56x = 31,167,742,229,084,740
  5. Step 5: Solve for x
    x = 31,167,742,229,084,740/191,947,867.56
  6. Step 6: Final answer
    x = 162,376,079.64

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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.