Home / 73,024,501.60-100,780,571.76-40,429,453.60

Finding the Fourth Proportional to 73,024,501.60, 100,780,571.76 and 40,429,453.60

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Solution

The fourth proportional to 73,024,501.60, 100,780,571.76 and 40,429,453.60 is: 55,796,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,024,501.60 : 100,780,571.76 = 40,429,453.60 : x
  2. Step 2: Convert to fraction form
    73,024,501.60/100,780,571.76 = 40,429,453.60/x
  3. Step 3: Cross multiply
    73,024,501.60x = 100,780,571.76 × 40,429,453.60
  4. Step 4: Simplify right side
    73,024,501.60x = 4,074,503,449,752,390.50
  5. Step 5: Solve for x
    x = 4,074,503,449,752,390.50/73,024,501.60
  6. Step 6: Final answer
    x = 55,796,388.34

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1.5x scale

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.