Home / 125,119,019.40-187,395,093.90-74,100,683.40

Finding the Fourth Proportional to 125,119,019.40, 187,395,093.90 and 74,100,683.40

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Solution

The fourth proportional to 125,119,019.40, 187,395,093.90 and 74,100,683.40 is: 110,983,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,119,019.40 : 187,395,093.90 = 74,100,683.40 : x
  2. Step 2: Convert to fraction form
    125,119,019.40/187,395,093.90 = 74,100,683.40/x
  3. Step 3: Cross multiply
    125,119,019.40x = 187,395,093.90 × 74,100,683.40
  4. Step 4: Simplify right side
    125,119,019.40x = 13,886,104,523,797,172
  5. Step 5: Solve for x
    x = 13,886,104,523,797,172/125,119,019.40
  6. Step 6: Final answer
    x = 110,983,162.99

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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.