Home / 217,366,969.40-325,963,848.90-71,760,008.60

Finding the Fourth Proportional to 217,366,969.40, 325,963,848.90 and 71,760,008.60

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Solution

The fourth proportional to 217,366,969.40, 325,963,848.90 and 71,760,008.60 is: 107,611,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,366,969.40 : 325,963,848.90 = 71,760,008.60 : x
  2. Step 2: Convert to fraction form
    217,366,969.40/325,963,848.90 = 71,760,008.60/x
  3. Step 3: Cross multiply
    217,366,969.40x = 325,963,848.90 × 71,760,008.60
  4. Step 4: Simplify right side
    217,366,969.40x = 23,391,168,600,353,096
  5. Step 5: Solve for x
    x = 23,391,168,600,353,096/217,366,969.40
  6. Step 6: Final answer
    x = 107,611,421.67

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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.