Home / 277,243,257.80-415,864,886.70-72,792,000.20

Finding the Fourth Proportional to 277,243,257.80, 415,864,886.70 and 72,792,000.20

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Solution

The fourth proportional to 277,243,257.80, 415,864,886.70 and 72,792,000.20 is: 109,188,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,243,257.80 : 415,864,886.70 = 72,792,000.20 : x
  2. Step 2: Convert to fraction form
    277,243,257.80/415,864,886.70 = 72,792,000.20/x
  3. Step 3: Cross multiply
    277,243,257.80x = 415,864,886.70 × 72,792,000.20
  4. Step 4: Simplify right side
    277,243,257.80x = 30,271,636,915,839,376
  5. Step 5: Solve for x
    x = 30,271,636,915,839,376/277,243,257.80
  6. Step 6: Final answer
    x = 109,188,000.30

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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.