Home / 116,148,418.22-160,318,664.53-75,920,257.86

Finding the Fourth Proportional to 116,148,418.22, 160,318,664.53 and 75,920,257.86

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Solution

The fourth proportional to 116,148,418.22, 160,318,664.53 and 75,920,257.86 is: 104,792,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,148,418.22 : 160,318,664.53 = 75,920,257.86 : x
  2. Step 2: Convert to fraction form
    116,148,418.22/160,318,664.53 = 75,920,257.86/x
  3. Step 3: Cross multiply
    116,148,418.22x = 160,318,664.53 × 75,920,257.86
  4. Step 4: Simplify right side
    116,148,418.22x = 12,171,434,350,888,436
  5. Step 5: Solve for x
    x = 12,171,434,350,888,436/116,148,418.22
  6. Step 6: Final answer
    x = 104,792,080.15

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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.