Home / 151,939,118-209,675,689.80-82,326,383.12

Finding the Fourth Proportional to 151,939,118, 209,675,689.80 and 82,326,383.12

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Solution

The fourth proportional to 151,939,118, 209,675,689.80 and 82,326,383.12 is: 113,610,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,939,118 : 209,675,689.80 = 82,326,383.12 : x
  2. Step 2: Convert to fraction form
    151,939,118/209,675,689.80 = 82,326,383.12/x
  3. Step 3: Cross multiply
    151,939,118x = 209,675,689.80 × 82,326,383.12
  4. Step 4: Simplify right side
    151,939,118x = 17,261,841,169,425,078
  5. Step 5: Solve for x
    x = 17,261,841,169,425,078/151,939,118
  6. Step 6: Final answer
    x = 113,610,249.93

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1.5x scale

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.