Home / 117,096,879.96-161,540,702.46-70,672,293.72

Finding the Fourth Proportional to 117,096,879.96, 161,540,702.46 and 70,672,293.72

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Solution

The fourth proportional to 117,096,879.96, 161,540,702.46 and 70,672,293.72 is: 97,495,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096,879.96 : 161,540,702.46 = 70,672,293.72 : x
  2. Step 2: Convert to fraction form
    117,096,879.96/161,540,702.46 = 70,672,293.72/x
  3. Step 3: Cross multiply
    117,096,879.96x = 161,540,702.46 × 70,672,293.72
  4. Step 4: Simplify right side
    117,096,879.96x = 11,416,451,971,988,246
  5. Step 5: Solve for x
    x = 11,416,451,971,988,246/117,096,879.96
  6. Step 6: Final answer
    x = 97,495,782.77

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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.