Home / 85,280,689.75-117,687,352.04-46,122,466.50

Finding the Fourth Proportional to 85,280,689.75, 117,687,352.04 and 46,122,466.50

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Solution

The fourth proportional to 85,280,689.75, 117,687,352.04 and 46,122,466.50 is: 63,649,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280,689.75 : 117,687,352.04 = 46,122,466.50 : x
  2. Step 2: Convert to fraction form
    85,280,689.75/117,687,352.04 = 46,122,466.50/x
  3. Step 3: Cross multiply
    85,280,689.75x = 117,687,352.04 × 46,122,466.50
  4. Step 4: Simplify right side
    85,280,689.75x = 5,428,030,951,938,607
  5. Step 5: Solve for x
    x = 5,428,030,951,938,607/85,280,689.75
  6. Step 6: Final answer
    x = 63,649,003.87

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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.