Home / 147,217,422.45-203,168,032.41-84,493,018.94

Finding the Fourth Proportional to 147,217,422.45, 203,168,032.41 and 84,493,018.94

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Solution

The fourth proportional to 147,217,422.45, 203,168,032.41 and 84,493,018.94 is: 116,604,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217,422.45 : 203,168,032.41 = 84,493,018.94 : x
  2. Step 2: Convert to fraction form
    147,217,422.45/203,168,032.41 = 84,493,018.94/x
  3. Step 3: Cross multiply
    147,217,422.45x = 203,168,032.41 × 84,493,018.94
  4. Step 4: Simplify right side
    147,217,422.45x = 17,166,280,409,404,824
  5. Step 5: Solve for x
    x = 17,166,280,409,404,824/147,217,422.45
  6. Step 6: Final answer
    x = 116,604,951.53

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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.