Home / 57,023,290.77-85,300,676.52-45,531,204.40

Finding the Fourth Proportional to 57,023,290.77, 85,300,676.52 and 45,531,204.40

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Solution

The fourth proportional to 57,023,290.77, 85,300,676.52 and 45,531,204.40 is: 68,109,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023,290.77 : 85,300,676.52 = 45,531,204.40 : x
  2. Step 2: Convert to fraction form
    57,023,290.77/85,300,676.52 = 45,531,204.40/x
  3. Step 3: Cross multiply
    57,023,290.77x = 85,300,676.52 × 45,531,204.40
  4. Step 4: Simplify right side
    57,023,290.77x = 3,883,842,538,090,400.50
  5. Step 5: Solve for x
    x = 3,883,842,538,090,400.50/57,023,290.77
  6. Step 6: Final answer
    x = 68,109,758.06

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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.