Home / 64,686,922.72-89,275,781.40-36,816,409.52

Finding the Fourth Proportional to 64,686,922.72, 89,275,781.40 and 36,816,409.52

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Solution

The fourth proportional to 64,686,922.72, 89,275,781.40 and 36,816,409.52 is: 50,811,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686,922.72 : 89,275,781.40 = 36,816,409.52 : x
  2. Step 2: Convert to fraction form
    64,686,922.72/89,275,781.40 = 36,816,409.52/x
  3. Step 3: Cross multiply
    64,686,922.72x = 89,275,781.40 × 36,816,409.52
  4. Step 4: Simplify right side
    64,686,922.72x = 3,286,813,728,240,399.50
  5. Step 5: Solve for x
    x = 3,286,813,728,240,399.50/64,686,922.72
  6. Step 6: Final answer
    x = 50,811,100.45

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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.