Home / 76,649,999.40-114,974,999.10-73,626,690.60

Finding the Fourth Proportional to 76,649,999.40, 114,974,999.10 and 73,626,690.60

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Solution

The fourth proportional to 76,649,999.40, 114,974,999.10 and 73,626,690.60 is: 110,440,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,649,999.40 : 114,974,999.10 = 73,626,690.60 : x
  2. Step 2: Convert to fraction form
    76,649,999.40/114,974,999.10 = 73,626,690.60/x
  3. Step 3: Cross multiply
    76,649,999.40x = 114,974,999.10 × 73,626,690.60
  4. Step 4: Simplify right side
    76,649,999.40x = 8,465,228,685,470,977
  5. Step 5: Solve for x
    x = 8,465,228,685,470,977/76,649,999.40
  6. Step 6: Final answer
    x = 110,440,035.90

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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.