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Finding the Fourth Proportional to 63,102,214, 87,081,061.80 and 34,128,838

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Solution

The fourth proportional to 63,102,214, 87,081,061.80 and 34,128,838 is: 47,097,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,102,214 : 87,081,061.80 = 34,128,838 : x
  2. Step 2: Convert to fraction form
    63,102,214/87,081,061.80 = 34,128,838/x
  3. Step 3: Cross multiply
    63,102,214x = 87,081,061.80 × 34,128,838
  4. Step 4: Simplify right side
    63,102,214x = 2,971,975,451,040,188.50
  5. Step 5: Solve for x
    x = 2,971,975,451,040,188.50/63,102,214
  6. Step 6: Final answer
    x = 47,097,799.94

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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.