Home / 280,762,392.80-421,181,914.08-116,961,843.08

Finding the Fourth Proportional to 280,762,392.80, 421,181,914.08 and 116,961,843.08

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Solution

The fourth proportional to 280,762,392.80, 421,181,914.08 and 116,961,843.08 is: 175,458,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,762,392.80 : 421,181,914.08 = 116,961,843.08 : x
  2. Step 2: Convert to fraction form
    280,762,392.80/421,181,914.08 = 116,961,843.08/x
  3. Step 3: Cross multiply
    280,762,392.80x = 421,181,914.08 × 116,961,843.08
  4. Step 4: Simplify right side
    280,762,392.80x = 49,262,212,940,653,096
  5. Step 5: Solve for x
    x = 49,262,212,940,653,096/280,762,392.80
  6. Step 6: Final answer
    x = 175,458,730.25

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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.