Home / 245,151,520.40-338,306,297.04-133,639,900.64

Finding the Fourth Proportional to 245,151,520.40, 338,306,297.04 and 133,639,900.64

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Solution

The fourth proportional to 245,151,520.40, 338,306,297.04 and 133,639,900.64 is: 184,421,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,151,520.40 : 338,306,297.04 = 133,639,900.64 : x
  2. Step 2: Convert to fraction form
    245,151,520.40/338,306,297.04 = 133,639,900.64/x
  3. Step 3: Cross multiply
    245,151,520.40x = 338,306,297.04 × 133,639,900.64
  4. Step 4: Simplify right side
    245,151,520.40x = 45,211,219,922,311,928
  5. Step 5: Solve for x
    x = 45,211,219,922,311,928/245,151,520.40
  6. Step 6: Final answer
    x = 184,421,535.91

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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.