Home / 76,629,526.52-105,836,716.50-55,814,294.75

Finding the Fourth Proportional to 76,629,526.52, 105,836,716.50 and 55,814,294.75

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Solution

The fourth proportional to 76,629,526.52, 105,836,716.50 and 55,814,294.75 is: 77,087,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629,526.52 : 105,836,716.50 = 55,814,294.75 : x
  2. Step 2: Convert to fraction form
    76,629,526.52/105,836,716.50 = 55,814,294.75/x
  3. Step 3: Cross multiply
    76,629,526.52x = 105,836,716.50 × 55,814,294.75
  4. Step 4: Simplify right side
    76,629,526.52x = 5,907,201,689,364,701
  5. Step 5: Solve for x
    x = 5,907,201,689,364,701/76,629,526.52
  6. Step 6: Final answer
    x = 77,087,800.98

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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.