Home / 69,185,137.78-95,470,940.01-39,811,730.32

Finding the Fourth Proportional to 69,185,137.78, 95,470,940.01 and 39,811,730.32

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Solution

The fourth proportional to 69,185,137.78, 95,470,940.01 and 39,811,730.32 is: 54,937,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,185,137.78 : 95,470,940.01 = 39,811,730.32 : x
  2. Step 2: Convert to fraction form
    69,185,137.78/95,470,940.01 = 39,811,730.32/x
  3. Step 3: Cross multiply
    69,185,137.78x = 95,470,940.01 × 39,811,730.32
  4. Step 4: Simplify right side
    69,185,137.78x = 3,800,863,317,075,018.50
  5. Step 5: Solve for x
    x = 3,800,863,317,075,018.50/69,185,137.78
  6. Step 6: Final answer
    x = 54,937,569.53

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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.