Home / 256,521,322.74-384,643,564.38-116,385,295.44

Finding the Fourth Proportional to 256,521,322.74, 384,643,564.38 and 116,385,295.44

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Solution

The fourth proportional to 256,521,322.74, 384,643,564.38 and 116,385,295.44 is: 174,515,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,521,322.74 : 384,643,564.38 = 116,385,295.44 : x
  2. Step 2: Convert to fraction form
    256,521,322.74/384,643,564.38 = 116,385,295.44/x
  3. Step 3: Cross multiply
    256,521,322.74x = 384,643,564.38 × 116,385,295.44
  4. Step 4: Simplify right side
    256,521,322.74x = 44,766,854,879,460,960
  5. Step 5: Solve for x
    x = 44,766,854,879,460,960/256,521,322.74
  6. Step 6: Final answer
    x = 174,515,141.28

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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.