Home / 52,052,004.80-78,078,007.20-30,510,929.60

Finding the Fourth Proportional to 52,052,004.80, 78,078,007.20 and 30,510,929.60

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Solution

The fourth proportional to 52,052,004.80, 78,078,007.20 and 30,510,929.60 is: 45,766,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,052,004.80 : 78,078,007.20 = 30,510,929.60 : x
  2. Step 2: Convert to fraction form
    52,052,004.80/78,078,007.20 = 30,510,929.60/x
  3. Step 3: Cross multiply
    52,052,004.80x = 78,078,007.20 × 30,510,929.60
  4. Step 4: Simplify right side
    52,052,004.80x = 2,382,232,580,987,493.50
  5. Step 5: Solve for x
    x = 2,382,232,580,987,493.50/52,052,004.80
  6. Step 6: Final answer
    x = 45,766,394.40

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1.5x scale

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.