Home / 117,719,445.52-162,451,545.60-64,795,021.62

Finding the Fourth Proportional to 117,719,445.52, 162,451,545.60 and 64,795,021.62

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Solution

The fourth proportional to 117,719,445.52, 162,451,545.60 and 64,795,021.62 is: 89,416,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719,445.52 : 162,451,545.60 = 64,795,021.62 : x
  2. Step 2: Convert to fraction form
    117,719,445.52/162,451,545.60 = 64,795,021.62/x
  3. Step 3: Cross multiply
    117,719,445.52x = 162,451,545.60 × 64,795,021.62
  4. Step 4: Simplify right side
    117,719,445.52x = 10,526,051,409,354,416
  5. Step 5: Solve for x
    x = 10,526,051,409,354,416/117,719,445.52
  6. Step 6: Final answer
    x = 89,416,420.23

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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.