Home / 217,348,018,447.72-326,170,949,955.58-75,857,440,086.54

Finding the Fourth Proportional to 217,348,018,447.72, 326,170,949,955.58 and 75,857,440,086.54

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Solution

The fourth proportional to 217,348,018,447.72, 326,170,949,955.58 and 75,857,440,086.54 is: 113,838,136,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,348,018,447.72 : 326,170,949,955.58 = 75,857,440,086.54 : x
  2. Step 2: Convert to fraction form
    217,348,018,447.72/326,170,949,955.58 = 75,857,440,086.54/x
  3. Step 3: Cross multiply
    217,348,018,447.72x = 326,170,949,955.58 × 75,857,440,086.54
  4. Step 4: Simplify right side
    217,348,018,447.72x = 24,742,493,294,225,243,766,784
  5. Step 5: Solve for x
    x = 24,742,493,294,225,243,766,784/217,348,018,447.72
  6. Step 6: Final answer
    x = 113,838,136,049.89

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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.