Home / 168,496,413.90-252,772,614.45-66,263,786.70

Finding the Fourth Proportional to 168,496,413.90, 252,772,614.45 and 66,263,786.70

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Solution

The fourth proportional to 168,496,413.90, 252,772,614.45 and 66,263,786.70 is: 99,406,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,413.90 : 252,772,614.45 = 66,263,786.70 : x
  2. Step 2: Convert to fraction form
    168,496,413.90/252,772,614.45 = 66,263,786.70/x
  3. Step 3: Cross multiply
    168,496,413.90x = 252,772,614.45 × 66,263,786.70
  4. Step 4: Simplify right side
    168,496,413.90x = 16,749,670,607,516,138
  5. Step 5: Solve for x
    x = 16,749,670,607,516,138/168,496,413.90
  6. Step 6: Final answer
    x = 99,406,688.96

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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.