Home / 213,346,051.20-320,019,076.80-144,471,297.60

Finding the Fourth Proportional to 213,346,051.20, 320,019,076.80 and 144,471,297.60

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Solution

The fourth proportional to 213,346,051.20, 320,019,076.80 and 144,471,297.60 is: 216,706,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,346,051.20 : 320,019,076.80 = 144,471,297.60 : x
  2. Step 2: Convert to fraction form
    213,346,051.20/320,019,076.80 = 144,471,297.60/x
  3. Step 3: Cross multiply
    213,346,051.20x = 320,019,076.80 × 144,471,297.60
  4. Step 4: Simplify right side
    213,346,051.20x = 46,233,571,282,050,056
  5. Step 5: Solve for x
    x = 46,233,571,282,050,056/213,346,051.20
  6. Step 6: Final answer
    x = 216,706,946.40

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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.