Home / 154,804,735.56-213,627,771.96-84,237,939.25

Finding the Fourth Proportional to 154,804,735.56, 213,627,771.96 and 84,237,939.25

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Solution

The fourth proportional to 154,804,735.56, 213,627,771.96 and 84,237,939.25 is: 116,246,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,804,735.56 : 213,627,771.96 = 84,237,939.25 : x
  2. Step 2: Convert to fraction form
    154,804,735.56/213,627,771.96 = 84,237,939.25/x
  3. Step 3: Cross multiply
    154,804,735.56x = 213,627,771.96 × 84,237,939.25
  4. Step 4: Simplify right side
    154,804,735.56x = 17,995,563,276,479,334
  5. Step 5: Solve for x
    x = 17,995,563,276,479,334/154,804,735.56
  6. Step 6: Final answer
    x = 116,246,852.60

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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.