Home / 77,494,608.81-106,950,121.61-57,881,483.46

Finding the Fourth Proportional to 77,494,608.81, 106,950,121.61 and 57,881,483.46

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Solution

The fourth proportional to 77,494,608.81, 106,950,121.61 and 57,881,483.46 is: 79,882,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,494,608.81 : 106,950,121.61 = 57,881,483.46 : x
  2. Step 2: Convert to fraction form
    77,494,608.81/106,950,121.61 = 57,881,483.46/x
  3. Step 3: Cross multiply
    77,494,608.81x = 106,950,121.61 × 57,881,483.46
  4. Step 4: Simplify right side
    77,494,608.81x = 6,190,431,694,724,796
  5. Step 5: Solve for x
    x = 6,190,431,694,724,796/77,494,608.81
  6. Step 6: Final answer
    x = 79,882,094.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.