Home / 260,321,974.47-359,243,338.95-142,849,270.17

Finding the Fourth Proportional to 260,321,974.47, 359,243,338.95 and 142,849,270.17

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Solution

The fourth proportional to 260,321,974.47, 359,243,338.95 and 142,849,270.17 is: 197,131,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,974.47 : 359,243,338.95 = 142,849,270.17 : x
  2. Step 2: Convert to fraction form
    260,321,974.47/359,243,338.95 = 142,849,270.17/x
  3. Step 3: Cross multiply
    260,321,974.47x = 359,243,338.95 × 142,849,270.17
  4. Step 4: Simplify right side
    260,321,974.47x = 51,317,648,782,441,424
  5. Step 5: Solve for x
    x = 51,317,648,782,441,424/260,321,974.47
  6. Step 6: Final answer
    x = 197,131,451.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.