Home / 106,477,206.40-159,715,809.60-54,821,141.20

Finding the Fourth Proportional to 106,477,206.40, 159,715,809.60 and 54,821,141.20

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Solution

The fourth proportional to 106,477,206.40, 159,715,809.60 and 54,821,141.20 is: 82,231,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,477,206.40 : 159,715,809.60 = 54,821,141.20 : x
  2. Step 2: Convert to fraction form
    106,477,206.40/159,715,809.60 = 54,821,141.20/x
  3. Step 3: Cross multiply
    106,477,206.40x = 159,715,809.60 × 54,821,141.20
  4. Step 4: Simplify right side
    106,477,206.40x = 8,755,802,949,953,916
  5. Step 5: Solve for x
    x = 8,755,802,949,953,916/106,477,206.40
  6. Step 6: Final answer
    x = 82,231,711.80

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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.