Home / 64,665,768.94-89,225,439.65-37,158,382.78

Finding the Fourth Proportional to 64,665,768.94, 89,225,439.65 and 37,158,382.78

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Solution

The fourth proportional to 64,665,768.94, 89,225,439.65 and 37,158,382.78 is: 51,270,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665,768.94 : 89,225,439.65 = 37,158,382.78 : x
  2. Step 2: Convert to fraction form
    64,665,768.94/89,225,439.65 = 37,158,382.78/x
  3. Step 3: Cross multiply
    64,665,768.94x = 89,225,439.65 × 37,158,382.78
  4. Step 4: Simplify right side
    64,665,768.94x = 3,315,473,040,228,489.50
  5. Step 5: Solve for x
    x = 3,315,473,040,228,489.50/64,665,768.94
  6. Step 6: Final answer
    x = 51,270,913.41

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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.