Home / 77,789,343.69-116,696,678.79-36,331,677.42

Finding the Fourth Proportional to 77,789,343.69, 116,696,678.79 and 36,331,677.42

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Solution

The fourth proportional to 77,789,343.69, 116,696,678.79 and 36,331,677.42 is: 54,503,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,789,343.69 : 116,696,678.79 = 36,331,677.42 : x
  2. Step 2: Convert to fraction form
    77,789,343.69/116,696,678.79 = 36,331,677.42/x
  3. Step 3: Cross multiply
    77,789,343.69x = 116,696,678.79 × 36,331,677.42
  4. Step 4: Simplify right side
    77,789,343.69x = 4,239,786,089,783,636.50
  5. Step 5: Solve for x
    x = 4,239,786,089,783,636.50/77,789,343.69
  6. Step 6: Final answer
    x = 54,503,430.53

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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.