Home / 70,427,861.40-105,641,792.10-48,508,872.60

Finding the Fourth Proportional to 70,427,861.40, 105,641,792.10 and 48,508,872.60

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Solution

The fourth proportional to 70,427,861.40, 105,641,792.10 and 48,508,872.60 is: 72,763,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,427,861.40 : 105,641,792.10 = 48,508,872.60 : x
  2. Step 2: Convert to fraction form
    70,427,861.40/105,641,792.10 = 48,508,872.60/x
  3. Step 3: Cross multiply
    70,427,861.40x = 105,641,792.10 × 48,508,872.60
  4. Step 4: Simplify right side
    70,427,861.40x = 5,124,564,234,214,586
  5. Step 5: Solve for x
    x = 5,124,564,234,214,586/70,427,861.40
  6. Step 6: Final answer
    x = 72,763,308.90

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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.