Home / 231,113,508.90-346,453,254.60-77,652,243.78

Finding the Fourth Proportional to 231,113,508.90, 346,453,254.60 and 77,652,243.78

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Solution

The fourth proportional to 231,113,508.90, 346,453,254.60 and 77,652,243.78 is: 116,405,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,113,508.90 : 346,453,254.60 = 77,652,243.78 : x
  2. Step 2: Convert to fraction form
    231,113,508.90/346,453,254.60 = 77,652,243.78/x
  3. Step 3: Cross multiply
    231,113,508.90x = 346,453,254.60 × 77,652,243.78
  4. Step 4: Simplify right side
    231,113,508.90x = 26,902,872,584,573,608
  5. Step 5: Solve for x
    x = 26,902,872,584,573,608/231,113,508.90
  6. Step 6: Final answer
    x = 116,405,452.51

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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.