Home / 268,645,834.80-402,296,905.80-214,898,122.80

Finding the Fourth Proportional to 268,645,834.80, 402,296,905.80 and 214,898,122.80

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Solution

The fourth proportional to 268,645,834.80, 402,296,905.80 and 214,898,122.80 is: 321,809,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,645,834.80 : 402,296,905.80 = 214,898,122.80 : x
  2. Step 2: Convert to fraction form
    268,645,834.80/402,296,905.80 = 214,898,122.80/x
  3. Step 3: Cross multiply
    268,645,834.80x = 402,296,905.80 × 214,898,122.80
  4. Step 4: Simplify right side
    268,645,834.80x = 86,452,849,864,668,432
  5. Step 5: Solve for x
    x = 86,452,849,864,668,432/268,645,834.80
  6. Step 6: Final answer
    x = 321,809,753.46

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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.