Home / 66,112,311.60-99,168,696.63-20,054,575.17

Finding the Fourth Proportional to 66,112,311.60, 99,168,696.63 and 20,054,575.17

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Solution

The fourth proportional to 66,112,311.60, 99,168,696.63 and 20,054,575.17 is: 30,081,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,311.60 : 99,168,696.63 = 20,054,575.17 : x
  2. Step 2: Convert to fraction form
    66,112,311.60/99,168,696.63 = 20,054,575.17/x
  3. Step 3: Cross multiply
    66,112,311.60x = 99,168,696.63 × 20,054,575.17
  4. Step 4: Simplify right side
    66,112,311.60x = 1,988,786,081,077,260.75
  5. Step 5: Solve for x
    x = 1,988,786,081,077,260.75/66,112,311.60
  6. Step 6: Final answer
    x = 30,081,932.29

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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.