Home / 185,924,536.03-278,920,848.39-76,690,116.55

Finding the Fourth Proportional to 185,924,536.03, 278,920,848.39 and 76,690,116.55

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Solution

The fourth proportional to 185,924,536.03, 278,920,848.39 and 76,690,116.55 is: 115,049,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924,536.03 : 278,920,848.39 = 76,690,116.55 : x
  2. Step 2: Convert to fraction form
    185,924,536.03/278,920,848.39 = 76,690,116.55/x
  3. Step 3: Cross multiply
    185,924,536.03x = 278,920,848.39 × 76,690,116.55
  4. Step 4: Simplify right side
    185,924,536.03x = 21,390,472,371,253,976
  5. Step 5: Solve for x
    x = 21,390,472,371,253,976/185,924,536.03
  6. Step 6: Final answer
    x = 115,049,217.43

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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.