Home / 306,563,597.45-422,994,610.91-176,158,211.21

Finding the Fourth Proportional to 306,563,597.45, 422,994,610.91 and 176,158,211.21

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Solution

The fourth proportional to 306,563,597.45, 422,994,610.91 and 176,158,211.21 is: 243,062,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,563,597.45 : 422,994,610.91 = 176,158,211.21 : x
  2. Step 2: Convert to fraction form
    306,563,597.45/422,994,610.91 = 176,158,211.21/x
  3. Step 3: Cross multiply
    306,563,597.45x = 422,994,610.91 × 176,158,211.21
  4. Step 4: Simplify right side
    306,563,597.45x = 74,513,974,007,700,976
  5. Step 5: Solve for x
    x = 74,513,974,007,700,976/306,563,597.45
  6. Step 6: Final answer
    x = 243,062,042.03

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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.