Home / 102,939,813.70-154,409,720.55-34,781,521.30

Finding the Fourth Proportional to 102,939,813.70, 154,409,720.55 and 34,781,521.30

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Solution

The fourth proportional to 102,939,813.70, 154,409,720.55 and 34,781,521.30 is: 52,172,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,939,813.70 : 154,409,720.55 = 34,781,521.30 : x
  2. Step 2: Convert to fraction form
    102,939,813.70/154,409,720.55 = 34,781,521.30/x
  3. Step 3: Cross multiply
    102,939,813.70x = 154,409,720.55 × 34,781,521.30
  4. Step 4: Simplify right side
    102,939,813.70x = 5,370,604,984,236,873
  5. Step 5: Solve for x
    x = 5,370,604,984,236,873/102,939,813.70
  6. Step 6: Final answer
    x = 52,172,281.95

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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.