Home / 220,352,498.28-330,145,701.54-154,634,256.36

Finding the Fourth Proportional to 220,352,498.28, 330,145,701.54 and 154,634,256.36

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Solution

The fourth proportional to 220,352,498.28, 330,145,701.54 and 154,634,256.36 is: 231,682,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,352,498.28 : 330,145,701.54 = 154,634,256.36 : x
  2. Step 2: Convert to fraction form
    220,352,498.28/330,145,701.54 = 154,634,256.36/x
  3. Step 3: Cross multiply
    220,352,498.28x = 330,145,701.54 × 154,634,256.36
  4. Step 4: Simplify right side
    220,352,498.28x = 51,051,835,048,088,416
  5. Step 5: Solve for x
    x = 51,051,835,048,088,416/220,352,498.28
  6. Step 6: Final answer
    x = 231,682,578.81

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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.