Home / 286,683,986.76-395,657,488.80-162,943,264.32

Finding the Fourth Proportional to 286,683,986.76, 395,657,488.80 and 162,943,264.32

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Solution

The fourth proportional to 286,683,986.76, 395,657,488.80 and 162,943,264.32 is: 224,880,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,683,986.76 : 395,657,488.80 = 162,943,264.32 : x
  2. Step 2: Convert to fraction form
    286,683,986.76/395,657,488.80 = 162,943,264.32/x
  3. Step 3: Cross multiply
    286,683,986.76x = 395,657,488.80 × 162,943,264.32
  4. Step 4: Simplify right side
    286,683,986.76x = 64,469,722,777,725,840
  5. Step 5: Solve for x
    x = 64,469,722,777,725,840/286,683,986.76
  6. Step 6: Final answer
    x = 224,880,794.73

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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.