Home / 260,846,513.20-391,257,328.20-88,306,404.40

Finding the Fourth Proportional to 260,846,513.20, 391,257,328.20 and 88,306,404.40

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Solution

The fourth proportional to 260,846,513.20, 391,257,328.20 and 88,306,404.40 is: 132,455,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,846,513.20 : 391,257,328.20 = 88,306,404.40 : x
  2. Step 2: Convert to fraction form
    260,846,513.20/391,257,328.20 = 88,306,404.40/x
  3. Step 3: Cross multiply
    260,846,513.20x = 391,257,328.20 × 88,306,404.40
  4. Step 4: Simplify right side
    260,846,513.20x = 34,550,527,848,492,724
  5. Step 5: Solve for x
    x = 34,550,527,848,492,724/260,846,513.20
  6. Step 6: Final answer
    x = 132,455,394.65

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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.