Home / 147,724,481.74-203,885,099.11-85,880,692.57

Finding the Fourth Proportional to 147,724,481.74, 203,885,099.11 and 85,880,692.57

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Solution

The fourth proportional to 147,724,481.74, 203,885,099.11 and 85,880,692.57 is: 118,530,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724,481.74 : 203,885,099.11 = 85,880,692.57 : x
  2. Step 2: Convert to fraction form
    147,724,481.74/203,885,099.11 = 85,880,692.57/x
  3. Step 3: Cross multiply
    147,724,481.74x = 203,885,099.11 × 85,880,692.57
  4. Step 4: Simplify right side
    147,724,481.74x = 17,509,793,516,269,890
  5. Step 5: Solve for x
    x = 17,509,793,516,269,890/147,724,481.74
  6. Step 6: Final answer
    x = 118,530,072.40

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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.