Home / 221,435,113.80-332,152,670.70-164,039,485.80

Finding the Fourth Proportional to 221,435,113.80, 332,152,670.70 and 164,039,485.80

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Solution

The fourth proportional to 221,435,113.80, 332,152,670.70 and 164,039,485.80 is: 246,059,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435,113.80 : 332,152,670.70 = 164,039,485.80 : x
  2. Step 2: Convert to fraction form
    221,435,113.80/332,152,670.70 = 164,039,485.80/x
  3. Step 3: Cross multiply
    221,435,113.80x = 332,152,670.70 × 164,039,485.80
  4. Step 4: Simplify right side
    221,435,113.80x = 54,486,153,308,724,728
  5. Step 5: Solve for x
    x = 54,486,153,308,724,728/221,435,113.80
  6. Step 6: Final answer
    x = 246,059,228.70

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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.