Home / 280,762,391.30-421,181,911.82-116,961,841.58

Finding the Fourth Proportional to 280,762,391.30, 421,181,911.82 and 116,961,841.58

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Solution

The fourth proportional to 280,762,391.30, 421,181,911.82 and 116,961,841.58 is: 175,458,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,762,391.30 : 421,181,911.82 = 116,961,841.58 : x
  2. Step 2: Convert to fraction form
    280,762,391.30/421,181,911.82 = 116,961,841.58/x
  3. Step 3: Cross multiply
    280,762,391.30x = 421,181,911.82 × 116,961,841.58
  4. Step 4: Simplify right side
    280,762,391.30x = 49,262,212,044,838,864
  5. Step 5: Solve for x
    x = 49,262,212,044,838,864/280,762,391.30
  6. Step 6: Final answer
    x = 175,458,727.99

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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.