Home / 111,435,586.18-166,402,970.26-91,005,833.61

Finding the Fourth Proportional to 111,435,586.18, 166,402,970.26 and 91,005,833.61

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Solution

The fourth proportional to 111,435,586.18, 166,402,970.26 and 91,005,833.61 is: 135,895,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,435,586.18 : 166,402,970.26 = 91,005,833.61 : x
  2. Step 2: Convert to fraction form
    111,435,586.18/166,402,970.26 = 91,005,833.61/x
  3. Step 3: Cross multiply
    111,435,586.18x = 166,402,970.26 × 91,005,833.61
  4. Step 4: Simplify right side
    111,435,586.18x = 15,143,641,023,463,824
  5. Step 5: Solve for x
    x = 15,143,641,023,463,824/111,435,586.18
  6. Step 6: Final answer
    x = 135,895,915.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.