Home / 52,259,955.72-78,384,868.04-15,868,665.95

Finding the Fourth Proportional to 52,259,955.72, 78,384,868.04 and 15,868,665.95

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Solution

The fourth proportional to 52,259,955.72, 78,384,868.04 and 15,868,665.95 is: 23,801,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259,955.72 : 78,384,868.04 = 15,868,665.95 : x
  2. Step 2: Convert to fraction form
    52,259,955.72/78,384,868.04 = 15,868,665.95/x
  3. Step 3: Cross multiply
    52,259,955.72x = 78,384,868.04 × 15,868,665.95
  4. Step 4: Simplify right side
    52,259,955.72x = 1,243,863,285,990,323.50
  5. Step 5: Solve for x
    x = 1,243,863,285,990,323.50/52,259,955.72
  6. Step 6: Final answer
    x = 23,801,460.77

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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.