Home / 85,680,231.92-118,235,403.82-46,521,112.40

Finding the Fourth Proportional to 85,680,231.92, 118,235,403.82 and 46,521,112.40

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Solution

The fourth proportional to 85,680,231.92, 118,235,403.82 and 46,521,112.40 is: 64,197,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680,231.92 : 118,235,403.82 = 46,521,112.40 : x
  2. Step 2: Convert to fraction form
    85,680,231.92/118,235,403.82 = 46,521,112.40/x
  3. Step 3: Cross multiply
    85,680,231.92x = 118,235,403.82 × 46,521,112.40
  4. Step 4: Simplify right side
    85,680,231.92x = 5,500,442,510,769,609
  5. Step 5: Solve for x
    x = 5,500,442,510,769,609/85,680,231.92
  6. Step 6: Final answer
    x = 64,197,334.53

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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.