Home / 366,948,818.51-550,518,493.48-136,919,633.63

Finding the Fourth Proportional to 366,948,818.51, 550,518,493.48 and 136,919,633.63

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Solution

The fourth proportional to 366,948,818.51, 550,518,493.48 and 136,919,633.63 is: 205,414,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948,818.51 : 550,518,493.48 = 136,919,633.63 : x
  2. Step 2: Convert to fraction form
    366,948,818.51/550,518,493.48 = 136,919,633.63/x
  3. Step 3: Cross multiply
    366,948,818.51x = 550,518,493.48 × 136,919,633.63
  4. Step 4: Simplify right side
    366,948,818.51x = 75,376,790,430,726,240
  5. Step 5: Solve for x
    x = 75,376,790,430,726,240/366,948,818.51
  6. Step 6: Final answer
    x = 205,414,996.94

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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.