Home / 221,770,537.98-306,030,966.89-121,279,144.59

Finding the Fourth Proportional to 221,770,537.98, 306,030,966.89 and 121,279,144.59

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Solution

The fourth proportional to 221,770,537.98, 306,030,966.89 and 121,279,144.59 is: 167,358,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,770,537.98 : 306,030,966.89 = 121,279,144.59 : x
  2. Step 2: Convert to fraction form
    221,770,537.98/306,030,966.89 = 121,279,144.59/x
  3. Step 3: Cross multiply
    221,770,537.98x = 306,030,966.89 × 121,279,144.59
  4. Step 4: Simplify right side
    221,770,537.98x = 37,115,173,881,863,416
  5. Step 5: Solve for x
    x = 37,115,173,881,863,416/221,770,537.98
  6. Step 6: Final answer
    x = 167,358,451.76

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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.