Home / 152,361,825.12-210,272,285.88-86,294,076.57

Finding the Fourth Proportional to 152,361,825.12, 210,272,285.88 and 86,294,076.57

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Solution

The fourth proportional to 152,361,825.12, 210,272,285.88 and 86,294,076.57 is: 119,093,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,361,825.12 : 210,272,285.88 = 86,294,076.57 : x
  2. Step 2: Convert to fraction form
    152,361,825.12/210,272,285.88 = 86,294,076.57/x
  3. Step 3: Cross multiply
    152,361,825.12x = 210,272,285.88 × 86,294,076.57
  4. Step 4: Simplify right side
    152,361,825.12x = 18,145,252,738,277,648
  5. Step 5: Solve for x
    x = 18,145,252,738,277,648/152,361,825.12
  6. Step 6: Final answer
    x = 119,093,169.99

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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.