Home / 248,332,340,838.39-342,762,392,799.51-161,740,689,163.47

Finding the Fourth Proportional to 248,332,340,838.39, 342,762,392,799.51 and 161,740,689,163.47

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Solution

The fourth proportional to 248,332,340,838.39, 342,762,392,799.51 and 161,740,689,163.47 is: 223,243,679,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,332,340,838.39 : 342,762,392,799.51 = 161,740,689,163.47 : x
  2. Step 2: Convert to fraction form
    248,332,340,838.39/342,762,392,799.51 = 161,740,689,163.47/x
  3. Step 3: Cross multiply
    248,332,340,838.39x = 342,762,392,799.51 × 161,740,689,163.47
  4. Step 4: Simplify right side
    248,332,340,838.39x = 55,438,625,630,712,758,272,000
  5. Step 5: Solve for x
    x = 55,438,625,630,712,758,272,000/248,332,340,838.39
  6. Step 6: Final answer
    x = 223,243,679,995.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.