Home / 188,619,087.39-260,294,353.10-104,985,423.18

Finding the Fourth Proportional to 188,619,087.39, 260,294,353.10 and 104,985,423.18

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Solution

The fourth proportional to 188,619,087.39, 260,294,353.10 and 104,985,423.18 is: 144,879,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,619,087.39 : 260,294,353.10 = 104,985,423.18 : x
  2. Step 2: Convert to fraction form
    188,619,087.39/260,294,353.10 = 104,985,423.18/x
  3. Step 3: Cross multiply
    188,619,087.39x = 260,294,353.10 × 104,985,423.18
  4. Step 4: Simplify right side
    188,619,087.39x = 27,327,112,810,528,836
  5. Step 5: Solve for x
    x = 27,327,112,810,528,836/188,619,087.39
  6. Step 6: Final answer
    x = 144,879,890.95

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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.