Home / 217,884,904.32-300,672,120.42-118,763,470.38

Finding the Fourth Proportional to 217,884,904.32, 300,672,120.42 and 118,763,470.38

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Solution

The fourth proportional to 217,884,904.32, 300,672,120.42 and 118,763,470.38 is: 163,888,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,884,904.32 : 300,672,120.42 = 118,763,470.38 : x
  2. Step 2: Convert to fraction form
    217,884,904.32/300,672,120.42 = 118,763,470.38/x
  3. Step 3: Cross multiply
    217,884,904.32x = 300,672,120.42 × 118,763,470.38
  4. Step 4: Simplify right side
    217,884,904.32x = 35,708,864,467,592,464
  5. Step 5: Solve for x
    x = 35,708,864,467,592,464/217,884,904.32
  6. Step 6: Final answer
    x = 163,888,657.54

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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.