Home / 69,841,094,015.86-104,761,640,905.54-16,782,127,140.34

Finding the Fourth Proportional to 69,841,094,015.86, 104,761,640,905.54 and 16,782,127,140.34

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Solution

The fourth proportional to 69,841,094,015.86, 104,761,640,905.54 and 16,782,127,140.34 is: 25,173,190,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,841,094,015.86 : 104,761,640,905.54 = 16,782,127,140.34 : x
  2. Step 2: Convert to fraction form
    69,841,094,015.86/104,761,640,905.54 = 16,782,127,140.34/x
  3. Step 3: Cross multiply
    69,841,094,015.86x = 104,761,640,905.54 × 16,782,127,140.34
  4. Step 4: Simplify right side
    69,841,094,015.86x = 1,758,123,177,106,996,985,856
  5. Step 5: Solve for x
    x = 1,758,123,177,106,996,985,856/69,841,094,015.86
  6. Step 6: Final answer
    x = 25,173,190,682.09

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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.