Home / 44,289,620.40-66,434,430.60-40,782,109.80

Finding the Fourth Proportional to 44,289,620.40, 66,434,430.60 and 40,782,109.80

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Solution

The fourth proportional to 44,289,620.40, 66,434,430.60 and 40,782,109.80 is: 61,173,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,289,620.40 : 66,434,430.60 = 40,782,109.80 : x
  2. Step 2: Convert to fraction form
    44,289,620.40/66,434,430.60 = 40,782,109.80/x
  3. Step 3: Cross multiply
    44,289,620.40x = 66,434,430.60 × 40,782,109.80
  4. Step 4: Simplify right side
    44,289,620.40x = 2,709,336,243,229,679.50
  5. Step 5: Solve for x
    x = 2,709,336,243,229,679.50/44,289,620.40
  6. Step 6: Final answer
    x = 61,173,164.70

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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.