Home / 217,744,823.10-326,617,234.65-145,185,411.90

Finding the Fourth Proportional to 217,744,823.10, 326,617,234.65 and 145,185,411.90

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Solution

The fourth proportional to 217,744,823.10, 326,617,234.65 and 145,185,411.90 is: 217,778,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,744,823.10 : 326,617,234.65 = 145,185,411.90 : x
  2. Step 2: Convert to fraction form
    217,744,823.10/326,617,234.65 = 145,185,411.90/x
  3. Step 3: Cross multiply
    217,744,823.10x = 326,617,234.65 × 145,185,411.90
  4. Step 4: Simplify right side
    217,744,823.10x = 47,420,057,746,299,200
  5. Step 5: Solve for x
    x = 47,420,057,746,299,200/217,744,823.10
  6. Step 6: Final answer
    x = 217,778,117.85

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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.