Home / 300,878,424.33-415,271,772.05-195,162,852.02

Finding the Fourth Proportional to 300,878,424.33, 415,271,772.05 and 195,162,852.02

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Solution

The fourth proportional to 300,878,424.33, 415,271,772.05 and 195,162,852.02 is: 269,363,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,878,424.33 : 415,271,772.05 = 195,162,852.02 : x
  2. Step 2: Convert to fraction form
    300,878,424.33/415,271,772.05 = 195,162,852.02/x
  3. Step 3: Cross multiply
    300,878,424.33x = 415,271,772.05 × 195,162,852.02
  4. Step 4: Simplify right side
    300,878,424.33x = 81,045,623,393,625,152
  5. Step 5: Solve for x
    x = 81,045,623,393,625,152/300,878,424.33
  6. Step 6: Final answer
    x = 269,363,360.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.