Home / 196,978,955.19-271,832,026.86-107,671,019.37

Finding the Fourth Proportional to 196,978,955.19, 271,832,026.86 and 107,671,019.37

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Solution

The fourth proportional to 196,978,955.19, 271,832,026.86 and 107,671,019.37 is: 148,586,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,978,955.19 : 271,832,026.86 = 107,671,019.37 : x
  2. Step 2: Convert to fraction form
    196,978,955.19/271,832,026.86 = 107,671,019.37/x
  3. Step 3: Cross multiply
    196,978,955.19x = 271,832,026.86 × 107,671,019.37
  4. Step 4: Simplify right side
    196,978,955.19x = 29,268,431,429,429,424
  5. Step 5: Solve for x
    x = 29,268,431,429,429,424/196,978,955.19
  6. Step 6: Final answer
    x = 148,586,590.89

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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.