Home / 144,485,966.87-199,390,770.65-82,607,601.23

Finding the Fourth Proportional to 144,485,966.87, 199,390,770.65 and 82,607,601.23

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Solution

The fourth proportional to 144,485,966.87, 199,390,770.65 and 82,607,601.23 is: 113,998,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,485,966.87 : 199,390,770.65 = 82,607,601.23 : x
  2. Step 2: Convert to fraction form
    144,485,966.87/199,390,770.65 = 82,607,601.23/x
  3. Step 3: Cross multiply
    144,485,966.87x = 199,390,770.65 × 82,607,601.23
  4. Step 4: Simplify right side
    144,485,966.87x = 16,471,193,270,797,590
  5. Step 5: Solve for x
    x = 16,471,193,270,797,590/144,485,966.87
  6. Step 6: Final answer
    x = 113,998,567.66

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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.