Home / 290,440,208.20-435,660,312.30-106,207,328.20

Finding the Fourth Proportional to 290,440,208.20, 435,660,312.30 and 106,207,328.20

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Solution

The fourth proportional to 290,440,208.20, 435,660,312.30 and 106,207,328.20 is: 159,310,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,440,208.20 : 435,660,312.30 = 106,207,328.20 : x
  2. Step 2: Convert to fraction form
    290,440,208.20/435,660,312.30 = 106,207,328.20/x
  3. Step 3: Cross multiply
    290,440,208.20x = 435,660,312.30 × 106,207,328.20
  4. Step 4: Simplify right side
    290,440,208.20x = 46,270,317,772,160,600
  5. Step 5: Solve for x
    x = 46,270,317,772,160,600/290,440,208.20
  6. Step 6: Final answer
    x = 159,310,992.30

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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.