Home / 106,477,205.40-159,715,808.10-54,821,140.20

Finding the Fourth Proportional to 106,477,205.40, 159,715,808.10 and 54,821,140.20

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Solution

The fourth proportional to 106,477,205.40, 159,715,808.10 and 54,821,140.20 is: 82,231,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,477,205.40 : 159,715,808.10 = 54,821,140.20 : x
  2. Step 2: Convert to fraction form
    106,477,205.40/159,715,808.10 = 54,821,140.20/x
  3. Step 3: Cross multiply
    106,477,205.40x = 159,715,808.10 × 54,821,140.20
  4. Step 4: Simplify right side
    106,477,205.40x = 8,755,802,708,006,396
  5. Step 5: Solve for x
    x = 8,755,802,708,006,396/106,477,205.40
  6. Step 6: Final answer
    x = 82,231,710.30

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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.