Home / 99,650,200.80-149,475,301.20-75,097,626.60

Finding the Fourth Proportional to 99,650,200.80, 149,475,301.20 and 75,097,626.60

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Solution

The fourth proportional to 99,650,200.80, 149,475,301.20 and 75,097,626.60 is: 112,646,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,200.80 : 149,475,301.20 = 75,097,626.60 : x
  2. Step 2: Convert to fraction form
    99,650,200.80/149,475,301.20 = 75,097,626.60/x
  3. Step 3: Cross multiply
    99,650,200.80x = 149,475,301.20 × 75,097,626.60
  4. Step 4: Simplify right side
    99,650,200.80x = 11,225,240,355,440,130
  5. Step 5: Solve for x
    x = 11,225,240,355,440,130/99,650,200.80
  6. Step 6: Final answer
    x = 112,646,439.90

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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.