Home / 354,484,121.86-531,805,235.56-108,865,544.46

Finding the Fourth Proportional to 354,484,121.86, 531,805,235.56 and 108,865,544.46

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Solution

The fourth proportional to 354,484,121.86, 531,805,235.56 and 108,865,544.46 is: 163,322,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,484,121.86 : 531,805,235.56 = 108,865,544.46 : x
  2. Step 2: Convert to fraction form
    354,484,121.86/531,805,235.56 = 108,865,544.46/x
  3. Step 3: Cross multiply
    354,484,121.86x = 531,805,235.56 × 108,865,544.46
  4. Step 4: Simplify right side
    354,484,121.86x = 57,895,266,515,917,952
  5. Step 5: Solve for x
    x = 57,895,266,515,917,952/354,484,121.86
  6. Step 6: Final answer
    x = 163,322,594.57

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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.