Home / 221,364,101.70-332,046,152.55-68,009,912.10

Finding the Fourth Proportional to 221,364,101.70, 332,046,152.55 and 68,009,912.10

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Solution

The fourth proportional to 221,364,101.70, 332,046,152.55 and 68,009,912.10 is: 102,014,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,364,101.70 : 332,046,152.55 = 68,009,912.10 : x
  2. Step 2: Convert to fraction form
    221,364,101.70/332,046,152.55 = 68,009,912.10/x
  3. Step 3: Cross multiply
    221,364,101.70x = 332,046,152.55 × 68,009,912.10
  4. Step 4: Simplify right side
    221,364,101.70x = 22,582,429,648,068,688
  5. Step 5: Solve for x
    x = 22,582,429,648,068,688/221,364,101.70
  6. Step 6: Final answer
    x = 102,014,868.15

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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.