Home / 215,568,991.20-323,353,486.80-62,220,050.40

Finding the Fourth Proportional to 215,568,991.20, 323,353,486.80 and 62,220,050.40

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Solution

The fourth proportional to 215,568,991.20, 323,353,486.80 and 62,220,050.40 is: 93,330,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,568,991.20 : 323,353,486.80 = 62,220,050.40 : x
  2. Step 2: Convert to fraction form
    215,568,991.20/323,353,486.80 = 62,220,050.40/x
  3. Step 3: Cross multiply
    215,568,991.20x = 323,353,486.80 × 62,220,050.40
  4. Step 4: Simplify right side
    215,568,991.20x = 20,119,070,245,711,736
  5. Step 5: Solve for x
    x = 20,119,070,245,711,736/215,568,991.20
  6. Step 6: Final answer
    x = 93,330,075.60

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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.