Home / 147,217,420.96-203,168,030.34-84,493,017.44

Finding the Fourth Proportional to 147,217,420.96, 203,168,030.34 and 84,493,017.44

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Solution

The fourth proportional to 147,217,420.96, 203,168,030.34 and 84,493,017.44 is: 116,604,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217,420.96 : 203,168,030.34 = 84,493,017.44 : x
  2. Step 2: Convert to fraction form
    147,217,420.96/203,168,030.34 = 84,493,017.44/x
  3. Step 3: Cross multiply
    147,217,420.96x = 203,168,030.34 × 84,493,017.44
  4. Step 4: Simplify right side
    147,217,420.96x = 17,166,279,930,783,338
  5. Step 5: Solve for x
    x = 17,166,279,930,783,338/147,217,420.96
  6. Step 6: Final answer
    x = 116,604,949.46

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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.