Home / 277,963,055.15-416,976,221.49-100,783,636.10

Finding the Fourth Proportional to 277,963,055.15, 416,976,221.49 and 100,783,636.10

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Solution

The fourth proportional to 277,963,055.15, 416,976,221.49 and 100,783,636.10 is: 151,186,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,963,055.15 : 416,976,221.49 = 100,783,636.10 : x
  2. Step 2: Convert to fraction form
    277,963,055.15/416,976,221.49 = 100,783,636.10/x
  3. Step 3: Cross multiply
    277,963,055.15x = 416,976,221.49 × 100,783,636.10
  4. Step 4: Simplify right side
    277,963,055.15x = 42,024,379,768,102,000
  5. Step 5: Solve for x
    x = 42,024,379,768,102,000/277,963,055.15
  6. Step 6: Final answer
    x = 151,186,925.71

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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.