Home / 290,865,367.04-436,265,821.49-104,111,851.31

Finding the Fourth Proportional to 290,865,367.04, 436,265,821.49 and 104,111,851.31

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Solution

The fourth proportional to 290,865,367.04, 436,265,821.49 and 104,111,851.31 is: 156,156,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,865,367.04 : 436,265,821.49 = 104,111,851.31 : x
  2. Step 2: Convert to fraction form
    290,865,367.04/436,265,821.49 = 104,111,851.31/x
  3. Step 3: Cross multiply
    290,865,367.04x = 436,265,821.49 × 104,111,851.31
  4. Step 4: Simplify right side
    290,865,367.04x = 45,420,442,336,420,560
  5. Step 5: Solve for x
    x = 45,420,442,336,420,560/290,865,367.04
  6. Step 6: Final answer
    x = 156,156,240.94

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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.