Home / 319,946,143.77-479,497,838.25-135,485,373.83

Finding the Fourth Proportional to 319,946,143.77, 479,497,838.25 and 135,485,373.83

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Solution

The fourth proportional to 319,946,143.77, 479,497,838.25 and 135,485,373.83 is: 203,049,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,946,143.77 : 479,497,838.25 = 135,485,373.83 : x
  2. Step 2: Convert to fraction form
    319,946,143.77/479,497,838.25 = 135,485,373.83/x
  3. Step 3: Cross multiply
    319,946,143.77x = 479,497,838.25 × 135,485,373.83
  4. Step 4: Simplify right side
    319,946,143.77x = 64,964,943,863,580,632
  5. Step 5: Solve for x
    x = 64,964,943,863,580,632/319,946,143.77
  6. Step 6: Final answer
    x = 203,049,622.97

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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.