Home / 210,151,157.36-290,009,159.53-117,334,986.44

Finding the Fourth Proportional to 210,151,157.36, 290,009,159.53 and 117,334,986.44

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Solution

The fourth proportional to 210,151,157.36, 290,009,159.53 and 117,334,986.44 is: 161,922,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,151,157.36 : 290,009,159.53 = 117,334,986.44 : x
  2. Step 2: Convert to fraction form
    210,151,157.36/290,009,159.53 = 117,334,986.44/x
  3. Step 3: Cross multiply
    210,151,157.36x = 290,009,159.53 × 117,334,986.44
  4. Step 4: Simplify right side
    210,151,157.36x = 34,028,220,800,928,344
  5. Step 5: Solve for x
    x = 34,028,220,800,928,344/210,151,157.36
  6. Step 6: Final answer
    x = 161,922,595.28

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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.