Home / 51,991,708.22-77,863,778.40-30,085,908.72

Finding the Fourth Proportional to 51,991,708.22, 77,863,778.40 and 30,085,908.72

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Solution

The fourth proportional to 51,991,708.22, 77,863,778.40 and 30,085,908.72 is: 45,057,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,708.22 : 77,863,778.40 = 30,085,908.72 : x
  2. Step 2: Convert to fraction form
    51,991,708.22/77,863,778.40 = 30,085,908.72/x
  3. Step 3: Cross multiply
    51,991,708.22x = 77,863,778.40 × 30,085,908.72
  4. Step 4: Simplify right side
    51,991,708.22x = 2,342,602,529,536,707.50
  5. Step 5: Solve for x
    x = 2,342,602,529,536,707.50/51,991,708.22
  6. Step 6: Final answer
    x = 45,057,233.35

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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.