Home / 147,623,511.20-221,435,266.80-109,359,759.20

Finding the Fourth Proportional to 147,623,511.20, 221,435,266.80 and 109,359,759.20

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Solution

The fourth proportional to 147,623,511.20, 221,435,266.80 and 109,359,759.20 is: 164,039,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,511.20 : 221,435,266.80 = 109,359,759.20 : x
  2. Step 2: Convert to fraction form
    147,623,511.20/221,435,266.80 = 109,359,759.20/x
  3. Step 3: Cross multiply
    147,623,511.20x = 221,435,266.80 × 109,359,759.20
  4. Step 4: Simplify right side
    147,623,511.20x = 24,216,107,455,635,756
  5. Step 5: Solve for x
    x = 24,216,107,455,635,756/147,623,511.20
  6. Step 6: Final answer
    x = 164,039,638.80

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1.5x scale

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.