Home / 165,417,533.52-228,274,320.87-91,076,575.92

Finding the Fourth Proportional to 165,417,533.52, 228,274,320.87 and 91,076,575.92

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Solution

The fourth proportional to 165,417,533.52, 228,274,320.87 and 91,076,575.92 is: 125,684,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,417,533.52 : 228,274,320.87 = 91,076,575.92 : x
  2. Step 2: Convert to fraction form
    165,417,533.52/228,274,320.87 = 91,076,575.92/x
  3. Step 3: Cross multiply
    165,417,533.52x = 228,274,320.87 × 91,076,575.92
  4. Step 4: Simplify right side
    165,417,533.52x = 20,790,443,515,302,996
  5. Step 5: Solve for x
    x = 20,790,443,515,302,996/165,417,533.52
  6. Step 6: Final answer
    x = 125,684,642.21

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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.