Home / 209,821,985,134.95-289,554,337,244.23-113,478,071,597.64

Finding the Fourth Proportional to 209,821,985,134.95, 289,554,337,244.23 and 113,478,071,597.64

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Solution

The fourth proportional to 209,821,985,134.95, 289,554,337,244.23 and 113,478,071,597.64 is: 156,599,737,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,821,985,134.95 : 289,554,337,244.23 = 113,478,071,597.64 : x
  2. Step 2: Convert to fraction form
    209,821,985,134.95/289,554,337,244.23 = 113,478,071,597.64/x
  3. Step 3: Cross multiply
    209,821,985,134.95x = 289,554,337,244.23 × 113,478,071,597.64
  4. Step 4: Simplify right side
    209,821,985,134.95x = 32,858,067,813,207,927,422,976
  5. Step 5: Solve for x
    x = 32,858,067,813,207,927,422,976/209,821,985,134.95
  6. Step 6: Final answer
    x = 156,599,737,592.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.