Home / 117,968,560.20-176,830,071.54-66,077,086.32

Finding the Fourth Proportional to 117,968,560.20, 176,830,071.54 and 66,077,086.32

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Solution

The fourth proportional to 117,968,560.20, 176,830,071.54 and 66,077,086.32 is: 99,046,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,968,560.20 : 176,830,071.54 = 66,077,086.32 : x
  2. Step 2: Convert to fraction form
    117,968,560.20/176,830,071.54 = 66,077,086.32/x
  3. Step 3: Cross multiply
    117,968,560.20x = 176,830,071.54 × 66,077,086.32
  4. Step 4: Simplify right side
    117,968,560.20x = 11,684,415,901,120,354
  5. Step 5: Solve for x
    x = 11,684,415,901,120,354/117,968,560.20
  6. Step 6: Final answer
    x = 99,046,863.68

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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.