Home / 163,530,944.73-245,296,417.08-66,463,910.28

Finding the Fourth Proportional to 163,530,944.73, 245,296,417.08 and 66,463,910.28

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Solution

The fourth proportional to 163,530,944.73, 245,296,417.08 and 66,463,910.28 is: 99,695,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,944.73 : 245,296,417.08 = 66,463,910.28 : x
  2. Step 2: Convert to fraction form
    163,530,944.73/245,296,417.08 = 66,463,910.28/x
  3. Step 3: Cross multiply
    163,530,944.73x = 245,296,417.08 × 66,463,910.28
  4. Step 4: Simplify right side
    163,530,944.73x = 16,303,359,056,810,580
  5. Step 5: Solve for x
    x = 16,303,359,056,810,580/163,530,944.73
  6. Step 6: Final answer
    x = 99,695,865.41

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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.