Home / 216,211,090.30-298,367,616.90-117,091,032.28

Finding the Fourth Proportional to 216,211,090.30, 298,367,616.90 and 117,091,032.28

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Solution

The fourth proportional to 216,211,090.30, 298,367,616.90 and 117,091,032.28 is: 161,583,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,211,090.30 : 298,367,616.90 = 117,091,032.28 : x
  2. Step 2: Convert to fraction form
    216,211,090.30/298,367,616.90 = 117,091,032.28/x
  3. Step 3: Cross multiply
    216,211,090.30x = 298,367,616.90 × 117,091,032.28
  4. Step 4: Simplify right side
    216,211,090.30x = 34,936,172,261,744,572
  5. Step 5: Solve for x
    x = 34,936,172,261,744,572/216,211,090.30
  6. Step 6: Final answer
    x = 161,583,627.43

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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.