Home / 216,619,090.97-298,932,577.85-117,499,589.01

Finding the Fourth Proportional to 216,619,090.97, 298,932,577.85 and 117,499,589.01

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Solution

The fourth proportional to 216,619,090.97, 298,932,577.85 and 117,499,589.01 is: 162,148,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,090.97 : 298,932,577.85 = 117,499,589.01 : x
  2. Step 2: Convert to fraction form
    216,619,090.97/298,932,577.85 = 117,499,589.01/x
  3. Step 3: Cross multiply
    216,619,090.97x = 298,932,577.85 × 117,499,589.01
  4. Step 4: Simplify right side
    216,619,090.97x = 35,124,455,039,368,584
  5. Step 5: Solve for x
    x = 35,124,455,039,368,584/216,619,090.97
  6. Step 6: Final answer
    x = 162,148,474.00

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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.