Home / 248,332,340,914.52-342,762,392,904.46-161,740,689,239.45

Finding the Fourth Proportional to 248,332,340,914.52, 342,762,392,904.46 and 161,740,689,239.45

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Solution

The fourth proportional to 248,332,340,914.52, 342,762,392,904.46 and 161,740,689,239.45 is: 223,243,680,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,332,340,914.52 : 342,762,392,904.46 = 161,740,689,239.45 : x
  2. Step 2: Convert to fraction form
    248,332,340,914.52/342,762,392,904.46 = 161,740,689,239.45/x
  3. Step 3: Cross multiply
    248,332,340,914.52x = 342,762,392,904.46 × 161,740,689,239.45
  4. Step 4: Simplify right side
    248,332,340,914.52x = 55,438,625,673,730,538,340,352
  5. Step 5: Solve for x
    x = 55,438,625,673,730,538,340,352/248,332,340,914.52
  6. Step 6: Final answer
    x = 223,243,680,100.51

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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.