Home / 64,989,989.82-89,686,000.98-35,621,231.54

Finding the Fourth Proportional to 64,989,989.82, 89,686,000.98 and 35,621,231.54

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Solution

The fourth proportional to 64,989,989.82, 89,686,000.98 and 35,621,231.54 is: 49,157,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,989,989.82 : 89,686,000.98 = 35,621,231.54 : x
  2. Step 2: Convert to fraction form
    64,989,989.82/89,686,000.98 = 35,621,231.54/x
  3. Step 3: Cross multiply
    64,989,989.82x = 89,686,000.98 × 35,621,231.54
  4. Step 4: Simplify right side
    64,989,989.82x = 3,194,725,806,356,816.50
  5. Step 5: Solve for x
    x = 3,194,725,806,356,816.50/64,989,989.82
  6. Step 6: Final answer
    x = 49,157,198.13

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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.