Home / 81,273,370.86-112,157,328.42-46,466,790.21

Finding the Fourth Proportional to 81,273,370.86, 112,157,328.42 and 46,466,790.21

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Solution

The fourth proportional to 81,273,370.86, 112,157,328.42 and 46,466,790.21 is: 64,124,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,273,370.86 : 112,157,328.42 = 46,466,790.21 : x
  2. Step 2: Convert to fraction form
    81,273,370.86/112,157,328.42 = 46,466,790.21/x
  3. Step 3: Cross multiply
    81,273,370.86x = 112,157,328.42 × 46,466,790.21
  4. Step 4: Simplify right side
    81,273,370.86x = 5,211,591,050,206,211
  5. Step 5: Solve for x
    x = 5,211,591,050,206,211/81,273,370.86
  6. Step 6: Final answer
    x = 64,124,214.30

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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.