Home / 317,755,409.40-476,632,413.72-84,586,173.72

Finding the Fourth Proportional to 317,755,409.40, 476,632,413.72 and 84,586,173.72

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Solution

The fourth proportional to 317,755,409.40, 476,632,413.72 and 84,586,173.72 is: 126,879,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,755,409.40 : 476,632,413.72 = 84,586,173.72 : x
  2. Step 2: Convert to fraction form
    317,755,409.40/476,632,413.72 = 84,586,173.72/x
  3. Step 3: Cross multiply
    317,755,409.40x = 476,632,413.72 × 84,586,173.72
  4. Step 4: Simplify right side
    317,755,409.40x = 40,316,512,147,502,832
  5. Step 5: Solve for x
    x = 40,316,512,147,502,832/317,755,409.40
  6. Step 6: Final answer
    x = 126,879,074.14

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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.