Home / 53,431,511.10-73,735,627.10-28,985,225.10

Finding the Fourth Proportional to 53,431,511.10, 73,735,627.10 and 28,985,225.10

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Solution

The fourth proportional to 53,431,511.10, 73,735,627.10 and 28,985,225.10 is: 39,999,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431,511.10 : 73,735,627.10 = 28,985,225.10 : x
  2. Step 2: Convert to fraction form
    53,431,511.10/73,735,627.10 = 28,985,225.10/x
  3. Step 3: Cross multiply
    53,431,511.10x = 73,735,627.10 × 28,985,225.10
  4. Step 4: Simplify right side
    53,431,511.10x = 2,137,243,749,238,234.25
  5. Step 5: Solve for x
    x = 2,137,243,749,238,234.25/53,431,511.10
  6. Step 6: Final answer
    x = 39,999,687.55

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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.