Home / 280,451,894.94-420,686,412.48-96,216,786.63

Finding the Fourth Proportional to 280,451,894.94, 420,686,412.48 and 96,216,786.63

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Solution

The fourth proportional to 280,451,894.94, 420,686,412.48 and 96,216,786.63 is: 144,328,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,451,894.94 : 420,686,412.48 = 96,216,786.63 : x
  2. Step 2: Convert to fraction form
    280,451,894.94/420,686,412.48 = 96,216,786.63/x
  3. Step 3: Cross multiply
    280,451,894.94x = 420,686,412.48 × 96,216,786.63
  4. Step 4: Simplify right side
    280,451,894.94x = 40,477,094,787,728,328
  5. Step 5: Solve for x
    x = 40,477,094,787,728,328/280,451,894.94
  6. Step 6: Final answer
    x = 144,328,120.14

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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.