Home / 52,112,976.80-78,169,465.20-43,752,221.60

Finding the Fourth Proportional to 52,112,976.80, 78,169,465.20 and 43,752,221.60

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Solution

The fourth proportional to 52,112,976.80, 78,169,465.20 and 43,752,221.60 is: 65,628,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,976.80 : 78,169,465.20 = 43,752,221.60 : x
  2. Step 2: Convert to fraction form
    52,112,976.80/78,169,465.20 = 43,752,221.60/x
  3. Step 3: Cross multiply
    52,112,976.80x = 78,169,465.20 × 43,752,221.60
  4. Step 4: Simplify right side
    52,112,976.80x = 3,420,087,763,783,888.50
  5. Step 5: Solve for x
    x = 3,420,087,763,783,888.50/52,112,976.80
  6. Step 6: Final answer
    x = 65,628,332.40

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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.