Home / 231,874,386.60-347,811,579.90-221,922,661.80

Finding the Fourth Proportional to 231,874,386.60, 347,811,579.90 and 221,922,661.80

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Solution

The fourth proportional to 231,874,386.60, 347,811,579.90 and 221,922,661.80 is: 332,883,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,874,386.60 : 347,811,579.90 = 221,922,661.80 : x
  2. Step 2: Convert to fraction form
    231,874,386.60/347,811,579.90 = 221,922,661.80/x
  3. Step 3: Cross multiply
    231,874,386.60x = 347,811,579.90 × 221,922,661.80
  4. Step 4: Simplify right side
    231,874,386.60x = 77,187,271,616,271,376
  5. Step 5: Solve for x
    x = 77,187,271,616,271,376/231,874,386.60
  6. Step 6: Final answer
    x = 332,883,992.70

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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.