Home / 76,580,138.34-105,681,265.38-41,772,983.58

Finding the Fourth Proportional to 76,580,138.34, 105,681,265.38 and 41,772,983.58

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Solution

The fourth proportional to 76,580,138.34, 105,681,265.38 and 41,772,983.58 is: 57,647,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580,138.34 : 105,681,265.38 = 41,772,983.58 : x
  2. Step 2: Convert to fraction form
    76,580,138.34/105,681,265.38 = 41,772,983.58/x
  3. Step 3: Cross multiply
    76,580,138.34x = 105,681,265.38 × 41,772,983.58
  4. Step 4: Simplify right side
    76,580,138.34x = 4,414,621,763,432,362
  5. Step 5: Solve for x
    x = 4,414,621,763,432,362/76,580,138.34
  6. Step 6: Final answer
    x = 57,647,085.25

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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.