Home / 85,017,293.15-117,294,503.31-51,537,506.67

Finding the Fourth Proportional to 85,017,293.15, 117,294,503.31 and 51,537,506.67

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Solution

The fourth proportional to 85,017,293.15, 117,294,503.31 and 51,537,506.67 is: 71,103,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,017,293.15 : 117,294,503.31 = 51,537,506.67 : x
  2. Step 2: Convert to fraction form
    85,017,293.15/117,294,503.31 = 51,537,506.67/x
  3. Step 3: Cross multiply
    85,017,293.15x = 117,294,503.31 × 51,537,506.67
  4. Step 4: Simplify right side
    85,017,293.15x = 6,045,066,246,693,462
  5. Step 5: Solve for x
    x = 6,045,066,246,693,462/85,017,293.15
  6. Step 6: Final answer
    x = 71,103,960.42

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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.