Home / 134,302,021.20-201,453,031.80-123,720,440.40

Finding the Fourth Proportional to 134,302,021.20, 201,453,031.80 and 123,720,440.40

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Solution

The fourth proportional to 134,302,021.20, 201,453,031.80 and 123,720,440.40 is: 185,580,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,302,021.20 : 201,453,031.80 = 123,720,440.40 : x
  2. Step 2: Convert to fraction form
    134,302,021.20/201,453,031.80 = 123,720,440.40/x
  3. Step 3: Cross multiply
    134,302,021.20x = 201,453,031.80 × 123,720,440.40
  4. Step 4: Simplify right side
    134,302,021.20x = 24,923,857,814,211,208
  5. Step 5: Solve for x
    x = 24,923,857,814,211,208/134,302,021.20
  6. Step 6: Final answer
    x = 185,580,660.60

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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.