Home / 189,116,864.70-283,454,847.45-86,891,235.90

Finding the Fourth Proportional to 189,116,864.70, 283,454,847.45 and 86,891,235.90

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Solution

The fourth proportional to 189,116,864.70, 283,454,847.45 and 86,891,235.90 is: 130,235,566.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,116,864.70 : 283,454,847.45 = 86,891,235.90 : x
  2. Step 2: Convert to fraction form
    189,116,864.70/283,454,847.45 = 86,891,235.90/x
  3. Step 3: Cross multiply
    189,116,864.70x = 283,454,847.45 × 86,891,235.90
  4. Step 4: Simplify right side
    189,116,864.70x = 24,629,742,016,776,464
  5. Step 5: Solve for x
    x = 24,629,742,016,776,464/189,116,864.70
  6. Step 6: Final answer
    x = 130,235,566.54

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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.