Home / 55,581,120.14-76,701,009.37-30,801,256.50

Finding the Fourth Proportional to 55,581,120.14, 76,701,009.37 and 30,801,256.50

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Solution

The fourth proportional to 55,581,120.14, 76,701,009.37 and 30,801,256.50 is: 42,505,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581,120.14 : 76,701,009.37 = 30,801,256.50 : x
  2. Step 2: Convert to fraction form
    55,581,120.14/76,701,009.37 = 30,801,256.50/x
  3. Step 3: Cross multiply
    55,581,120.14x = 76,701,009.37 × 30,801,256.50
  4. Step 4: Simplify right side
    55,581,120.14x = 2,362,487,463,380,340
  5. Step 5: Solve for x
    x = 2,362,487,463,380,340/55,581,120.14
  6. Step 6: Final answer
    x = 42,505,215.03

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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.