Home / 98,347,273.70-147,520,910.55-74,459,401.70

Finding the Fourth Proportional to 98,347,273.70, 147,520,910.55 and 74,459,401.70

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Solution

The fourth proportional to 98,347,273.70, 147,520,910.55 and 74,459,401.70 is: 111,689,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,347,273.70 : 147,520,910.55 = 74,459,401.70 : x
  2. Step 2: Convert to fraction form
    98,347,273.70/147,520,910.55 = 74,459,401.70/x
  3. Step 3: Cross multiply
    98,347,273.70x = 147,520,910.55 × 74,459,401.70
  4. Step 4: Simplify right side
    98,347,273.70x = 10,984,318,737,792,220
  5. Step 5: Solve for x
    x = 10,984,318,737,792,220/98,347,273.70
  6. Step 6: Final answer
    x = 111,689,102.55

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Similar ratio
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1.5x scale

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.