Home / 55,621,127.70-76,757,321.56-30,843,060.13

Finding the Fourth Proportional to 55,621,127.70, 76,757,321.56 and 30,843,060.13

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Solution

The fourth proportional to 55,621,127.70, 76,757,321.56 and 30,843,060.13 is: 42,563,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621,127.70 : 76,757,321.56 = 30,843,060.13 : x
  2. Step 2: Convert to fraction form
    55,621,127.70/76,757,321.56 = 30,843,060.13/x
  3. Step 3: Cross multiply
    55,621,127.70x = 76,757,321.56 × 30,843,060.13
  4. Step 4: Simplify right side
    55,621,127.70x = 2,367,430,684,571,684
  5. Step 5: Solve for x
    x = 2,367,430,684,571,684/55,621,127.70
  6. Step 6: Final answer
    x = 42,563,514.67

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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.