Home / 290,689,751.76-435,859,000.47-115,839,684.96

Finding the Fourth Proportional to 290,689,751.76, 435,859,000.47 and 115,839,684.96

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Solution

The fourth proportional to 290,689,751.76, 435,859,000.47 and 115,839,684.96 is: 173,689,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,689,751.76 : 435,859,000.47 = 115,839,684.96 : x
  2. Step 2: Convert to fraction form
    290,689,751.76/435,859,000.47 = 115,839,684.96/x
  3. Step 3: Cross multiply
    290,689,751.76x = 435,859,000.47 × 115,839,684.96
  4. Step 4: Simplify right side
    290,689,751.76x = 50,489,769,301,425,296
  5. Step 5: Solve for x
    x = 50,489,769,301,425,296/290,689,751.76
  6. Step 6: Final answer
    x = 173,689,540.12

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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.