Home / 45,526,020.20-68,289,030.30-40,743,051.20

Finding the Fourth Proportional to 45,526,020.20, 68,289,030.30 and 40,743,051.20

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Solution

The fourth proportional to 45,526,020.20, 68,289,030.30 and 40,743,051.20 is: 61,114,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,526,020.20 : 68,289,030.30 = 40,743,051.20 : x
  2. Step 2: Convert to fraction form
    45,526,020.20/68,289,030.30 = 40,743,051.20/x
  3. Step 3: Cross multiply
    45,526,020.20x = 68,289,030.30 × 40,743,051.20
  4. Step 4: Simplify right side
    45,526,020.20x = 2,782,303,457,911,251.50
  5. Step 5: Solve for x
    x = 2,782,303,457,911,251.50/45,526,020.20
  6. Step 6: Final answer
    x = 61,114,576.80

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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.