Home / 120,145,200.90-180,217,801.35-33,882,485.10

Finding the Fourth Proportional to 120,145,200.90, 180,217,801.35 and 33,882,485.10

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Solution

The fourth proportional to 120,145,200.90, 180,217,801.35 and 33,882,485.10 is: 50,823,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,145,200.90 : 180,217,801.35 = 33,882,485.10 : x
  2. Step 2: Convert to fraction form
    120,145,200.90/180,217,801.35 = 33,882,485.10/x
  3. Step 3: Cross multiply
    120,145,200.90x = 180,217,801.35 × 33,882,485.10
  4. Step 4: Simplify right side
    120,145,200.90x = 6,106,226,968,996,135
  5. Step 5: Solve for x
    x = 6,106,226,968,996,135/120,145,200.90
  6. Step 6: Final answer
    x = 50,823,727.65

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Double scale
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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.