Home / 55,620,386.21-76,749,077.00-30,495,884.49

Finding the Fourth Proportional to 55,620,386.21, 76,749,077.00 and 30,495,884.49

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Solution

The fourth proportional to 55,620,386.21, 76,749,077.00 and 30,495,884.49 is: 42,080,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620,386.21 : 76,749,077.00 = 30,495,884.49 : x
  2. Step 2: Convert to fraction form
    55,620,386.21/76,749,077.00 = 30,495,884.49/x
  3. Step 3: Cross multiply
    55,620,386.21x = 76,749,077.00 × 30,495,884.49
  4. Step 4: Simplify right side
    55,620,386.21x = 2,340,530,986,982,355
  5. Step 5: Solve for x
    x = 2,340,530,986,982,355/55,620,386.21
  6. Step 6: Final answer
    x = 42,080,451.91

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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.