Home / 258,692,660.80-388,038,991.20-177,063,323.20

Finding the Fourth Proportional to 258,692,660.80, 388,038,991.20 and 177,063,323.20

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Solution

The fourth proportional to 258,692,660.80, 388,038,991.20 and 177,063,323.20 is: 265,594,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,692,660.80 : 388,038,991.20 = 177,063,323.20 : x
  2. Step 2: Convert to fraction form
    258,692,660.80/388,038,991.20 = 177,063,323.20/x
  3. Step 3: Cross multiply
    258,692,660.80x = 388,038,991.20 × 177,063,323.20
  4. Step 4: Simplify right side
    258,692,660.80x = 68,707,473,313,047,552
  5. Step 5: Solve for x
    x = 68,707,473,313,047,552/258,692,660.80
  6. Step 6: Final answer
    x = 265,594,984.80

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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.