Home / 202,863,884.40-304,295,826.60-138,293,802.90

Finding the Fourth Proportional to 202,863,884.40, 304,295,826.60 and 138,293,802.90

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Solution

The fourth proportional to 202,863,884.40, 304,295,826.60 and 138,293,802.90 is: 207,440,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,863,884.40 : 304,295,826.60 = 138,293,802.90 : x
  2. Step 2: Convert to fraction form
    202,863,884.40/304,295,826.60 = 138,293,802.90/x
  3. Step 3: Cross multiply
    202,863,884.40x = 304,295,826.60 × 138,293,802.90
  4. Step 4: Simplify right side
    202,863,884.40x = 42,082,227,067,112,984
  5. Step 5: Solve for x
    x = 42,082,227,067,112,984/202,863,884.40
  6. Step 6: Final answer
    x = 207,440,704.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.