Home / 326,310,108.50-489,481,419-93,175,405.40

Finding the Fourth Proportional to 326,310,108.50, 489,481,419 and 93,175,405.40

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Solution

The fourth proportional to 326,310,108.50, 489,481,419 and 93,175,405.40 is: 139,767,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,310,108.50 : 489,481,419 = 93,175,405.40 : x
  2. Step 2: Convert to fraction form
    326,310,108.50/489,481,419 = 93,175,405.40/x
  3. Step 3: Cross multiply
    326,310,108.50x = 489,481,419 × 93,175,405.40
  4. Step 4: Simplify right side
    326,310,108.50x = 45,607,629,651,092,264
  5. Step 5: Solve for x
    x = 45,607,629,651,092,264/326,310,108.50
  6. Step 6: Final answer
    x = 139,767,749.95

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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.