Home / 78,168,683.34-117,133,454.97-41,782,252.14

Finding the Fourth Proportional to 78,168,683.34, 117,133,454.97 and 41,782,252.14

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Solution

The fourth proportional to 78,168,683.34, 117,133,454.97 and 41,782,252.14 is: 62,609,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,168,683.34 : 117,133,454.97 = 41,782,252.14 : x
  2. Step 2: Convert to fraction form
    78,168,683.34/117,133,454.97 = 41,782,252.14/x
  3. Step 3: Cross multiply
    78,168,683.34x = 117,133,454.97 × 41,782,252.14
  4. Step 4: Simplify right side
    78,168,683.34x = 4,894,099,549,585,876
  5. Step 5: Solve for x
    x = 4,894,099,549,585,876/78,168,683.34
  6. Step 6: Final answer
    x = 62,609,466.35

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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.