Home / 324,330,991.81-486,559,079.66-105,922,617.32

Finding the Fourth Proportional to 324,330,991.81, 486,559,079.66 and 105,922,617.32

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Solution

The fourth proportional to 324,330,991.81, 486,559,079.66 and 105,922,617.32 is: 158,904,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,330,991.81 : 486,559,079.66 = 105,922,617.32 : x
  2. Step 2: Convert to fraction form
    324,330,991.81/486,559,079.66 = 105,922,617.32/x
  3. Step 3: Cross multiply
    324,330,991.81x = 486,559,079.66 × 105,922,617.32
  4. Step 4: Simplify right side
    324,330,991.81x = 51,537,611,199,878,784
  5. Step 5: Solve for x
    x = 51,537,611,199,878,784/324,330,991.81
  6. Step 6: Final answer
    x = 158,904,367.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.