Home / 151,917,267.86-209,646,042.38-82,302,648.74

Finding the Fourth Proportional to 151,917,267.86, 209,646,042.38 and 82,302,648.74

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Solution

The fourth proportional to 151,917,267.86, 209,646,042.38 and 82,302,648.74 is: 113,577,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,917,267.86 : 209,646,042.38 = 82,302,648.74 : x
  2. Step 2: Convert to fraction form
    151,917,267.86/209,646,042.38 = 82,302,648.74/x
  3. Step 3: Cross multiply
    151,917,267.86x = 209,646,042.38 × 82,302,648.74
  4. Step 4: Simplify right side
    151,917,267.86x = 17,254,424,586,623,982
  5. Step 5: Solve for x
    x = 17,254,424,586,623,982/151,917,267.86
  6. Step 6: Final answer
    x = 113,577,770.52

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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.