Home / 248,332,340,912.52-342,762,392,901.70-161,740,689,237.45

Finding the Fourth Proportional to 248,332,340,912.52, 342,762,392,901.70 and 161,740,689,237.45

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Solution

The fourth proportional to 248,332,340,912.52, 342,762,392,901.70 and 161,740,689,237.45 is: 223,243,680,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,332,340,912.52 : 342,762,392,901.70 = 161,740,689,237.45 : x
  2. Step 2: Convert to fraction form
    248,332,340,912.52/342,762,392,901.70 = 161,740,689,237.45/x
  3. Step 3: Cross multiply
    248,332,340,912.52x = 342,762,392,901.70 × 161,740,689,237.45
  4. Step 4: Simplify right side
    248,332,340,912.52x = 55,438,625,672,598,604,742,656
  5. Step 5: Solve for x
    x = 55,438,625,672,598,604,742,656/248,332,340,912.52
  6. Step 6: Final answer
    x = 223,243,680,097.74

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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.