Home / 201,734,124.30-302,601,186.45-120,104,786.70

Finding the Fourth Proportional to 201,734,124.30, 302,601,186.45 and 120,104,786.70

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Solution

The fourth proportional to 201,734,124.30, 302,601,186.45 and 120,104,786.70 is: 180,157,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,734,124.30 : 302,601,186.45 = 120,104,786.70 : x
  2. Step 2: Convert to fraction form
    201,734,124.30/302,601,186.45 = 120,104,786.70/x
  3. Step 3: Cross multiply
    201,734,124.30x = 302,601,186.45 × 120,104,786.70
  4. Step 4: Simplify right side
    201,734,124.30x = 36,343,850,953,744,176
  5. Step 5: Solve for x
    x = 36,343,850,953,744,176/201,734,124.30
  6. Step 6: Final answer
    x = 180,157,180.05

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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.