Home / 192,579,603.87-288,689,693.58-75,995,925.28

Finding the Fourth Proportional to 192,579,603.87, 288,689,693.58 and 75,995,925.28

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Solution

The fourth proportional to 192,579,603.87, 288,689,693.58 and 75,995,925.28 is: 113,922,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,579,603.87 : 288,689,693.58 = 75,995,925.28 : x
  2. Step 2: Convert to fraction form
    192,579,603.87/288,689,693.58 = 75,995,925.28/x
  3. Step 3: Cross multiply
    192,579,603.87x = 288,689,693.58 × 75,995,925.28
  4. Step 4: Simplify right side
    192,579,603.87x = 21,939,240,381,690,052
  5. Step 5: Solve for x
    x = 21,939,240,381,690,052/192,579,603.87
  6. Step 6: Final answer
    x = 113,922,969.73

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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.