Home / 76,804,808.10-115,339,922.55-40,973,000.10

Finding the Fourth Proportional to 76,804,808.10, 115,339,922.55 and 40,973,000.10

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Solution

The fourth proportional to 76,804,808.10, 115,339,922.55 and 40,973,000.10 is: 61,530,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804,808.10 : 115,339,922.55 = 40,973,000.10 : x
  2. Step 2: Convert to fraction form
    76,804,808.10/115,339,922.55 = 40,973,000.10/x
  3. Step 3: Cross multiply
    76,804,808.10x = 115,339,922.55 × 40,973,000.10
  4. Step 4: Simplify right side
    76,804,808.10x = 4,725,822,658,175,142
  5. Step 5: Solve for x
    x = 4,725,822,658,175,142/76,804,808.10
  6. Step 6: Final answer
    x = 61,530,297.06

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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.