Home / 220,475,007.82-304,253,096.30-121,353,635.98

Finding the Fourth Proportional to 220,475,007.82, 304,253,096.30 and 121,353,635.98

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Solution

The fourth proportional to 220,475,007.82, 304,253,096.30 and 121,353,635.98 is: 167,466,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,475,007.82 : 304,253,096.30 = 121,353,635.98 : x
  2. Step 2: Convert to fraction form
    220,475,007.82/304,253,096.30 = 121,353,635.98/x
  3. Step 3: Cross multiply
    220,475,007.82x = 304,253,096.30 × 121,353,635.98
  4. Step 4: Simplify right side
    220,475,007.82x = 36,922,219,494,178,088
  5. Step 5: Solve for x
    x = 36,922,219,494,178,088/220,475,007.82
  6. Step 6: Final answer
    x = 167,466,688.67

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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.