Home / 111,264,288.40-166,896,432.60-70,449,619.60

Finding the Fourth Proportional to 111,264,288.40, 166,896,432.60 and 70,449,619.60

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Solution

The fourth proportional to 111,264,288.40, 166,896,432.60 and 70,449,619.60 is: 105,674,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,264,288.40 : 166,896,432.60 = 70,449,619.60 : x
  2. Step 2: Convert to fraction form
    111,264,288.40/166,896,432.60 = 70,449,619.60/x
  3. Step 3: Cross multiply
    111,264,288.40x = 166,896,432.60 × 70,449,619.60
  4. Step 4: Simplify right side
    111,264,288.40x = 11,757,790,189,267,038
  5. Step 5: Solve for x
    x = 11,757,790,189,267,038/111,264,288.40
  6. Step 6: Final answer
    x = 105,674,429.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.