Home / 258,974,160.40-388,461,240.60-177,344,822.80

Finding the Fourth Proportional to 258,974,160.40, 388,461,240.60 and 177,344,822.80

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Solution

The fourth proportional to 258,974,160.40, 388,461,240.60 and 177,344,822.80 is: 266,017,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,974,160.40 : 388,461,240.60 = 177,344,822.80 : x
  2. Step 2: Convert to fraction form
    258,974,160.40/388,461,240.60 = 177,344,822.80/x
  3. Step 3: Cross multiply
    258,974,160.40x = 388,461,240.60 × 177,344,822.80
  4. Step 4: Simplify right side
    258,974,160.40x = 68,891,589,878,875,176
  5. Step 5: Solve for x
    x = 68,891,589,878,875,176/258,974,160.40
  6. Step 6: Final answer
    x = 266,017,234.20

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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.