Home / 57,208,660.80-85,809,054.60-18,346,545.60

Finding the Fourth Proportional to 57,208,660.80, 85,809,054.60 and 18,346,545.60

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Solution

The fourth proportional to 57,208,660.80, 85,809,054.60 and 18,346,545.60 is: 27,518,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,208,660.80 : 85,809,054.60 = 18,346,545.60 : x
  2. Step 2: Convert to fraction form
    57,208,660.80/85,809,054.60 = 18,346,545.60/x
  3. Step 3: Cross multiply
    57,208,660.80x = 85,809,054.60 × 18,346,545.60
  4. Step 4: Simplify right side
    57,208,660.80x = 1,574,299,733,111,789.75
  5. Step 5: Solve for x
    x = 1,574,299,733,111,789.75/57,208,660.80
  6. Step 6: Final answer
    x = 27,518,555.95

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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.