Home / 290,440,358.97-435,789,191.45-152,233,120.50

Finding the Fourth Proportional to 290,440,358.97, 435,789,191.45 and 152,233,120.50

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Solution

The fourth proportional to 290,440,358.97, 435,789,191.45 and 152,233,120.50 is: 228,417,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,358.97 : 435,789,191.45 = 152,233,120.50 : x
  2. Step 2: Convert to fraction form
    290,440,358.97/435,789,191.45 = 152,233,120.50/x
  3. Step 3: Cross multiply
    290,440,358.97x = 435,789,191.45 × 152,233,120.50
  4. Step 4: Simplify right side
    290,440,358.97x = 66,341,548,494,605,416
  5. Step 5: Solve for x
    x = 66,341,548,494,605,416/290,440,358.97
  6. Step 6: Final answer
    x = 228,417,113.69

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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.