Home / 106,436,391.80-159,355,989.30-103,450,407.80

Finding the Fourth Proportional to 106,436,391.80, 159,355,989.30 and 103,450,407.80

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Solution

The fourth proportional to 106,436,391.80, 159,355,989.30 and 103,450,407.80 is: 154,885,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,436,391.80 : 159,355,989.30 = 103,450,407.80 : x
  2. Step 2: Convert to fraction form
    106,436,391.80/159,355,989.30 = 103,450,407.80/x
  3. Step 3: Cross multiply
    106,436,391.80x = 159,355,989.30 × 103,450,407.80
  4. Step 4: Simplify right side
    106,436,391.80x = 16,485,442,078,457,438
  5. Step 5: Solve for x
    x = 16,485,442,078,457,438/106,436,391.80
  6. Step 6: Final answer
    x = 154,885,390.23

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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.