Home / 290,440,360.20-435,789,193.08-152,233,121.64

Finding the Fourth Proportional to 290,440,360.20, 435,789,193.08 and 152,233,121.64

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Solution

The fourth proportional to 290,440,360.20, 435,789,193.08 and 152,233,121.64 is: 228,417,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,360.20 : 435,789,193.08 = 152,233,121.64 : x
  2. Step 2: Convert to fraction form
    290,440,360.20/435,789,193.08 = 152,233,121.64/x
  3. Step 3: Cross multiply
    290,440,360.20x = 435,789,193.08 × 152,233,121.64
  4. Step 4: Simplify right side
    290,440,360.20x = 66,341,549,239,545,080
  5. Step 5: Solve for x
    x = 66,341,549,239,545,080/290,440,360.20
  6. Step 6: Final answer
    x = 228,417,115.29

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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.