Home / 78,859,943.60-118,201,441.80-33,414,004.40

Finding the Fourth Proportional to 78,859,943.60, 118,201,441.80 and 33,414,004.40

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Solution

The fourth proportional to 78,859,943.60, 118,201,441.80 and 33,414,004.40 is: 50,083,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,859,943.60 : 118,201,441.80 = 33,414,004.40 : x
  2. Step 2: Convert to fraction form
    78,859,943.60/118,201,441.80 = 33,414,004.40/x
  3. Step 3: Cross multiply
    78,859,943.60x = 118,201,441.80 × 33,414,004.40
  4. Step 4: Simplify right side
    78,859,943.60x = 3,949,583,496,391,543.50
  5. Step 5: Solve for x
    x = 3,949,583,496,391,543.50/78,859,943.60
  6. Step 6: Final answer
    x = 50,083,519.16

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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.