Home / 76,580,106.53-105,681,221.46-41,772,951.77

Finding the Fourth Proportional to 76,580,106.53, 105,681,221.46 and 41,772,951.77

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Solution

The fourth proportional to 76,580,106.53, 105,681,221.46 and 41,772,951.77 is: 57,647,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580,106.53 : 105,681,221.46 = 41,772,951.77 : x
  2. Step 2: Convert to fraction form
    76,580,106.53/105,681,221.46 = 41,772,951.77/x
  3. Step 3: Cross multiply
    76,580,106.53x = 105,681,221.46 × 41,772,951.77
  4. Step 4: Simplify right side
    76,580,106.53x = 4,414,616,566,834,404.50
  5. Step 5: Solve for x
    x = 4,414,616,566,834,404.50/76,580,106.53
  6. Step 6: Final answer
    x = 57,647,041.34

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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.