Home / 112,765,089.09-169,148,380.98-43,685,564.64

Finding the Fourth Proportional to 112,765,089.09, 169,148,380.98 and 43,685,564.64

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Solution

The fourth proportional to 112,765,089.09, 169,148,380.98 and 43,685,564.64 is: 65,528,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,765,089.09 : 169,148,380.98 = 43,685,564.64 : x
  2. Step 2: Convert to fraction form
    112,765,089.09/169,148,380.98 = 43,685,564.64/x
  3. Step 3: Cross multiply
    112,765,089.09x = 169,148,380.98 × 43,685,564.64
  4. Step 4: Simplify right side
    112,765,089.09x = 7,389,342,530,336,701
  5. Step 5: Solve for x
    x = 7,389,342,530,336,701/112,765,089.09
  6. Step 6: Final answer
    x = 65,528,636.48

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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.