Home / 50,902,509.78-76,343,910.38-19,778,113.58

Finding the Fourth Proportional to 50,902,509.78, 76,343,910.38 and 19,778,113.58

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Solution

The fourth proportional to 50,902,509.78, 76,343,910.38 and 19,778,113.58 is: 29,663,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,902,509.78 : 76,343,910.38 = 19,778,113.58 : x
  2. Step 2: Convert to fraction form
    50,902,509.78/76,343,910.38 = 19,778,113.58/x
  3. Step 3: Cross multiply
    50,902,509.78x = 76,343,910.38 × 19,778,113.58
  4. Step 4: Simplify right side
    50,902,509.78x = 1,509,938,530,636,980.75
  5. Step 5: Solve for x
    x = 1,509,938,530,636,980.75/50,902,509.78
  6. Step 6: Final answer
    x = 29,663,341.50

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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.