Home / 99,783,058.73-149,674,955.79-30,695,383.67

Finding the Fourth Proportional to 99,783,058.73, 149,674,955.79 and 30,695,383.67

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Solution

The fourth proportional to 99,783,058.73, 149,674,955.79 and 30,695,383.67 is: 46,043,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,783,058.73 : 149,674,955.79 = 30,695,383.67 : x
  2. Step 2: Convert to fraction form
    99,783,058.73/149,674,955.79 = 30,695,383.67/x
  3. Step 3: Cross multiply
    99,783,058.73x = 149,674,955.79 × 30,695,383.67
  4. Step 4: Simplify right side
    99,783,058.73x = 4,594,330,193,015,963
  5. Step 5: Solve for x
    x = 4,594,330,193,015,963/99,783,058.73
  6. Step 6: Final answer
    x = 46,043,188.61

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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.