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Finding the Fourth Proportional to 64,955,449.22, 97,404,052.71 and 38,706,664.55

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Solution

The fourth proportional to 64,955,449.22, 97,404,052.71 and 38,706,664.55 is: 58,042,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955,449.22 : 97,404,052.71 = 38,706,664.55 : x
  2. Step 2: Convert to fraction form
    64,955,449.22/97,404,052.71 = 38,706,664.55/x
  3. Step 3: Cross multiply
    64,955,449.22x = 97,404,052.71 × 38,706,664.55
  4. Step 4: Simplify right side
    64,955,449.22x = 3,770,185,994,056,488
  5. Step 5: Solve for x
    x = 3,770,185,994,056,488/64,955,449.22
  6. Step 6: Final answer
    x = 58,042,643.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.