Home / 71,379,837.80-98,495,467.53-40,010,647.04

Finding the Fourth Proportional to 71,379,837.80, 98,495,467.53 and 40,010,647.04

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Solution

The fourth proportional to 71,379,837.80, 98,495,467.53 and 40,010,647.04 is: 55,209,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,379,837.80 : 98,495,467.53 = 40,010,647.04 : x
  2. Step 2: Convert to fraction form
    71,379,837.80/98,495,467.53 = 40,010,647.04/x
  3. Step 3: Cross multiply
    71,379,837.80x = 98,495,467.53 × 40,010,647.04
  4. Step 4: Simplify right side
    71,379,837.80x = 3,940,867,386,382,610.50
  5. Step 5: Solve for x
    x = 3,940,867,386,382,610.50/71,379,837.80
  6. Step 6: Final answer
    x = 55,209,811.45

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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.