Home / 102,624,940.96-141,622,450.32-56,216,866.72

Finding the Fourth Proportional to 102,624,940.96, 141,622,450.32 and 56,216,866.72

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Solution

The fourth proportional to 102,624,940.96, 141,622,450.32 and 56,216,866.72 is: 77,579,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,624,940.96 : 141,622,450.32 = 56,216,866.72 : x
  2. Step 2: Convert to fraction form
    102,624,940.96/141,622,450.32 = 56,216,866.72/x
  3. Step 3: Cross multiply
    102,624,940.96x = 141,622,450.32 × 56,216,866.72
  4. Step 4: Simplify right side
    102,624,940.96x = 7,961,570,414,199,261
  5. Step 5: Solve for x
    x = 7,961,570,414,199,261/102,624,940.96
  6. Step 6: Final answer
    x = 77,579,293.49

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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.