Home / 51,991,697.49-77,863,762.31-30,085,897.95

Finding the Fourth Proportional to 51,991,697.49, 77,863,762.31 and 30,085,897.95

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Solution

The fourth proportional to 51,991,697.49, 77,863,762.31 and 30,085,897.95 is: 45,057,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,697.49 : 77,863,762.31 = 30,085,897.95 : x
  2. Step 2: Convert to fraction form
    51,991,697.49/77,863,762.31 = 30,085,897.95/x
  3. Step 3: Cross multiply
    51,991,697.49x = 77,863,762.31 × 30,085,897.95
  4. Step 4: Simplify right side
    51,991,697.49x = 2,342,601,206,711,287
  5. Step 5: Solve for x
    x = 2,342,601,206,711,287/51,991,697.49
  6. Step 6: Final answer
    x = 45,057,217.21

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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.