Home / 153,009,945.92-211,158,150.76-83,399,835.44

Finding the Fourth Proportional to 153,009,945.92, 211,158,150.76 and 83,399,835.44

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Solution

The fourth proportional to 153,009,945.92, 211,158,150.76 and 83,399,835.44 is: 115,094,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,009,945.92 : 211,158,150.76 = 83,399,835.44 : x
  2. Step 2: Convert to fraction form
    153,009,945.92/211,158,150.76 = 83,399,835.44/x
  3. Step 3: Cross multiply
    153,009,945.92x = 211,158,150.76 × 83,399,835.44
  4. Step 4: Simplify right side
    153,009,945.92x = 17,610,555,025,198,710
  5. Step 5: Solve for x
    x = 17,610,555,025,198,710/153,009,945.92
  6. Step 6: Final answer
    x = 115,094,185.02

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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.