Home / 57,223,413.20-85,840,368.60-18,885,011.60

Finding the Fourth Proportional to 57,223,413.20, 85,840,368.60 and 18,885,011.60

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Solution

The fourth proportional to 57,223,413.20, 85,840,368.60 and 18,885,011.60 is: 28,329,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,413.20 : 85,840,368.60 = 18,885,011.60 : x
  2. Step 2: Convert to fraction form
    57,223,413.20/85,840,368.60 = 18,885,011.60/x
  3. Step 3: Cross multiply
    57,223,413.20x = 85,840,368.60 × 18,885,011.60
  4. Step 4: Simplify right side
    57,223,413.20x = 1,621,096,356,759,275.75
  5. Step 5: Solve for x
    x = 1,621,096,356,759,275.75/57,223,413.20
  6. Step 6: Final answer
    x = 28,329,249.62

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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.