Home / 64,974,186.80-89,705,148.84-41,809,571.28

Finding the Fourth Proportional to 64,974,186.80, 89,705,148.84 and 41,809,571.28

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Solution

The fourth proportional to 64,974,186.80, 89,705,148.84 and 41,809,571.28 is: 57,723,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974,186.80 : 89,705,148.84 = 41,809,571.28 : x
  2. Step 2: Convert to fraction form
    64,974,186.80/89,705,148.84 = 41,809,571.28/x
  3. Step 3: Cross multiply
    64,974,186.80x = 89,705,148.84 × 41,809,571.28
  4. Step 4: Simplify right side
    64,974,186.80x = 3,750,533,814,608,989.50
  5. Step 5: Solve for x
    x = 3,750,533,814,608,989.50/64,974,186.80
  6. Step 6: Final answer
    x = 57,723,443.71

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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.