Home / 80,585,219.58-120,833,506.16-55,055,056.38

Finding the Fourth Proportional to 80,585,219.58, 120,833,506.16 and 55,055,056.38

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Solution

The fourth proportional to 80,585,219.58, 120,833,506.16 and 55,055,056.38 is: 82,552,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585,219.58 : 120,833,506.16 = 55,055,056.38 : x
  2. Step 2: Convert to fraction form
    80,585,219.58/120,833,506.16 = 55,055,056.38/x
  3. Step 3: Cross multiply
    80,585,219.58x = 120,833,506.16 × 55,055,056.38
  4. Step 4: Simplify right side
    80,585,219.58x = 6,652,495,494,231,877
  5. Step 5: Solve for x
    x = 6,652,495,494,231,877/80,585,219.58
  6. Step 6: Final answer
    x = 82,552,303.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.