Home / 257,792,003.80-386,688,005.70-155,870,416.60

Finding the Fourth Proportional to 257,792,003.80, 386,688,005.70 and 155,870,416.60

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Solution

The fourth proportional to 257,792,003.80, 386,688,005.70 and 155,870,416.60 is: 233,805,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,003.80 : 386,688,005.70 = 155,870,416.60 : x
  2. Step 2: Convert to fraction form
    257,792,003.80/386,688,005.70 = 155,870,416.60/x
  3. Step 3: Cross multiply
    257,792,003.80x = 386,688,005.70 × 155,870,416.60
  4. Step 4: Simplify right side
    257,792,003.80x = 60,273,220,542,682,168
  5. Step 5: Solve for x
    x = 60,273,220,542,682,168/257,792,003.80
  6. Step 6: Final answer
    x = 233,805,624.90

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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.