Home / 111,328,017.40-166,992,026.10-70,513,348.60

Finding the Fourth Proportional to 111,328,017.40, 166,992,026.10 and 70,513,348.60

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Solution

The fourth proportional to 111,328,017.40, 166,992,026.10 and 70,513,348.60 is: 105,770,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,017.40 : 166,992,026.10 = 70,513,348.60 : x
  2. Step 2: Convert to fraction form
    111,328,017.40/166,992,026.10 = 70,513,348.60/x
  3. Step 3: Cross multiply
    111,328,017.40x = 166,992,026.10 × 70,513,348.60
  4. Step 4: Simplify right side
    111,328,017.40x = 11,775,166,949,809,598
  5. Step 5: Solve for x
    x = 11,775,166,949,809,598/111,328,017.40
  6. Step 6: Final answer
    x = 105,770,022.90

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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.