Home / 52,219,219.23-78,341,081.49-51,351,641.82

Finding the Fourth Proportional to 52,219,219.23, 78,341,081.49 and 51,351,641.82

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Solution

The fourth proportional to 52,219,219.23, 78,341,081.49 and 51,351,641.82 is: 77,039,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,219,219.23 : 78,341,081.49 = 51,351,641.82 : x
  2. Step 2: Convert to fraction form
    52,219,219.23/78,341,081.49 = 51,351,641.82/x
  3. Step 3: Cross multiply
    52,219,219.23x = 78,341,081.49 × 51,351,641.82
  4. Step 4: Simplify right side
    52,219,219.23x = 4,022,943,156,465,911.50
  5. Step 5: Solve for x
    x = 4,022,943,156,465,911.50/52,219,219.23
  6. Step 6: Final answer
    x = 77,039,511.81

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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.