Home / 81,164,933.55-112,004,606.45-43,994,415.75

Finding the Fourth Proportional to 81,164,933.55, 112,004,606.45 and 43,994,415.75

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Solution

The fourth proportional to 81,164,933.55, 112,004,606.45 and 43,994,415.75 is: 60,710,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,164,933.55 : 112,004,606.45 = 43,994,415.75 : x
  2. Step 2: Convert to fraction form
    81,164,933.55/112,004,606.45 = 43,994,415.75/x
  3. Step 3: Cross multiply
    81,164,933.55x = 112,004,606.45 × 43,994,415.75
  4. Step 4: Simplify right side
    81,164,933.55x = 4,927,577,222,076,432
  5. Step 5: Solve for x
    x = 4,927,577,222,076,432/81,164,933.55
  6. Step 6: Final answer
    x = 60,710,666.62

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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.