Home / 78,880,618.80-118,320,928.20-46,548,010.80

Finding the Fourth Proportional to 78,880,618.80, 118,320,928.20 and 46,548,010.80

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Solution

The fourth proportional to 78,880,618.80, 118,320,928.20 and 46,548,010.80 is: 69,822,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,880,618.80 : 118,320,928.20 = 46,548,010.80 : x
  2. Step 2: Convert to fraction form
    78,880,618.80/118,320,928.20 = 46,548,010.80/x
  3. Step 3: Cross multiply
    78,880,618.80x = 118,320,928.20 × 46,548,010.80
  4. Step 4: Simplify right side
    78,880,618.80x = 5,507,603,843,719,624
  5. Step 5: Solve for x
    x = 5,507,603,843,719,624/78,880,618.80
  6. Step 6: Final answer
    x = 69,822,016.20

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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.