Home / 260,321,890.82-359,243,223.84-142,849,186.92

Finding the Fourth Proportional to 260,321,890.82, 359,243,223.84 and 142,849,186.92

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Solution

The fourth proportional to 260,321,890.82, 359,243,223.84 and 142,849,186.92 is: 197,131,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,890.82 : 359,243,223.84 = 142,849,186.92 : x
  2. Step 2: Convert to fraction form
    260,321,890.82/359,243,223.84 = 142,849,186.92/x
  3. Step 3: Cross multiply
    260,321,890.82x = 359,243,223.84 × 142,849,186.92
  4. Step 4: Simplify right side
    260,321,890.82x = 51,317,602,432,063,552
  5. Step 5: Solve for x
    x = 51,317,602,432,063,552/260,321,890.82
  6. Step 6: Final answer
    x = 197,131,337.17

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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.