Home / 186,977,071.20-281,741,863.08-153,645,091.68

Finding the Fourth Proportional to 186,977,071.20, 281,741,863.08 and 153,645,091.68

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Solution

The fourth proportional to 186,977,071.20, 281,741,863.08 and 153,645,091.68 is: 231,516,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,977,071.20 : 281,741,863.08 = 153,645,091.68 : x
  2. Step 2: Convert to fraction form
    186,977,071.20/281,741,863.08 = 153,645,091.68/x
  3. Step 3: Cross multiply
    186,977,071.20x = 281,741,863.08 × 153,645,091.68
  4. Step 4: Simplify right side
    186,977,071.20x = 43,288,254,383,020,608
  5. Step 5: Solve for x
    x = 43,288,254,383,020,608/186,977,071.20
  6. Step 6: Final answer
    x = 231,516,378.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.