Home / 57,208,627.80-85,809,005.10-18,346,512.60

Finding the Fourth Proportional to 57,208,627.80, 85,809,005.10 and 18,346,512.60

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Solution

The fourth proportional to 57,208,627.80, 85,809,005.10 and 18,346,512.60 is: 27,518,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,208,627.80 : 85,809,005.10 = 18,346,512.60 : x
  2. Step 2: Convert to fraction form
    57,208,627.80/85,809,005.10 = 18,346,512.60/x
  3. Step 3: Cross multiply
    57,208,627.80x = 85,809,005.10 × 18,346,512.60
  4. Step 4: Simplify right side
    57,208,627.80x = 1,574,295,993,260,614.25
  5. Step 5: Solve for x
    x = 1,574,295,993,260,614.25/57,208,627.80
  6. Step 6: Final answer
    x = 27,518,506.45

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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.