Home / 98,700,849.92-136,211,428.58-54,647,847.41

Finding the Fourth Proportional to 98,700,849.92, 136,211,428.58 and 54,647,847.41

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Solution

The fourth proportional to 98,700,849.92, 136,211,428.58 and 54,647,847.41 is: 75,416,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,700,849.92 : 136,211,428.58 = 54,647,847.41 : x
  2. Step 2: Convert to fraction form
    98,700,849.92/136,211,428.58 = 54,647,847.41/x
  3. Step 3: Cross multiply
    98,700,849.92x = 136,211,428.58 × 54,647,847.41
  4. Step 4: Simplify right side
    98,700,849.92x = 7,443,661,363,583,656
  5. Step 5: Solve for x
    x = 7,443,661,363,583,656/98,700,849.92
  6. Step 6: Final answer
    x = 75,416,385.67

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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.