Home / 154,854,563.01-213,704,935.83-84,286,764.90

Finding the Fourth Proportional to 154,854,563.01, 213,704,935.83 and 84,286,764.90

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Solution

The fourth proportional to 154,854,563.01, 213,704,935.83 and 84,286,764.90 is: 116,318,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,854,563.01 : 213,704,935.83 = 84,286,764.90 : x
  2. Step 2: Convert to fraction form
    154,854,563.01/213,704,935.83 = 84,286,764.90/x
  3. Step 3: Cross multiply
    154,854,563.01x = 213,704,935.83 × 84,286,764.90
  4. Step 4: Simplify right side
    154,854,563.01x = 18,012,497,684,272,798
  5. Step 5: Solve for x
    x = 18,012,497,684,272,798/154,854,563.01
  6. Step 6: Final answer
    x = 116,318,804.78

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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.