Home / 210,125,105.73-289,975,512.74-116,045,597.79

Finding the Fourth Proportional to 210,125,105.73, 289,975,512.74 and 116,045,597.79

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Solution

The fourth proportional to 210,125,105.73, 289,975,512.74 and 116,045,597.79 is: 160,144,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,105.73 : 289,975,512.74 = 116,045,597.79 : x
  2. Step 2: Convert to fraction form
    210,125,105.73/289,975,512.74 = 116,045,597.79/x
  3. Step 3: Cross multiply
    210,125,105.73x = 289,975,512.74 × 116,045,597.79
  4. Step 4: Simplify right side
    210,125,105.73x = 33,650,381,719,794,836
  5. Step 5: Solve for x
    x = 33,650,381,719,794,836/210,125,105.73
  6. Step 6: Final answer
    x = 160,144,508.21

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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.