Home / 290,440,396.68-435,789,247.80-152,233,158.18

Finding the Fourth Proportional to 290,440,396.68, 435,789,247.80 and 152,233,158.18

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Solution

The fourth proportional to 290,440,396.68, 435,789,247.80 and 152,233,158.18 is: 228,417,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,396.68 : 435,789,247.80 = 152,233,158.18 : x
  2. Step 2: Convert to fraction form
    290,440,396.68/435,789,247.80 = 152,233,158.18/x
  3. Step 3: Cross multiply
    290,440,396.68x = 435,789,247.80 × 152,233,158.18
  4. Step 4: Simplify right side
    290,440,396.68x = 66,341,573,493,480,624
  5. Step 5: Solve for x
    x = 66,341,573,493,480,624/290,440,396.68
  6. Step 6: Final answer
    x = 228,417,170.10

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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.