Home / 73,633,711,372.73-101,617,028,912.11-42,731,603,653.76

Finding the Fourth Proportional to 73,633,711,372.73, 101,617,028,912.11 and 42,731,603,653.76

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Solution

The fourth proportional to 73,633,711,372.73, 101,617,028,912.11 and 42,731,603,653.76 is: 58,971,068,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,633,711,372.73 : 101,617,028,912.11 = 42,731,603,653.76 : x
  2. Step 2: Convert to fraction form
    73,633,711,372.73/101,617,028,912.11 = 42,731,603,653.76/x
  3. Step 3: Cross multiply
    73,633,711,372.73x = 101,617,028,912.11 × 42,731,603,653.76
  4. Step 4: Simplify right side
    73,633,711,372.73x = 4,342,258,603,944,447,049,728
  5. Step 5: Solve for x
    x = 4,342,258,603,944,447,049,728/73,633,711,372.73
  6. Step 6: Final answer
    x = 58,971,068,047.41

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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.