Home / 277,243,350.30-415,865,025.45-72,792,092.70

Finding the Fourth Proportional to 277,243,350.30, 415,865,025.45 and 72,792,092.70

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Solution

The fourth proportional to 277,243,350.30, 415,865,025.45 and 72,792,092.70 is: 109,188,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,243,350.30 : 415,865,025.45 = 72,792,092.70 : x
  2. Step 2: Convert to fraction form
    277,243,350.30/415,865,025.45 = 72,792,092.70/x
  3. Step 3: Cross multiply
    277,243,350.30x = 415,865,025.45 × 72,792,092.70
  4. Step 4: Simplify right side
    277,243,350.30x = 30,271,685,483,244,260
  5. Step 5: Solve for x
    x = 30,271,685,483,244,260/277,243,350.30
  6. Step 6: Final answer
    x = 109,188,139.05

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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.