Home / 106,307,512.40-159,461,268.60-91,002,011.60

Finding the Fourth Proportional to 106,307,512.40, 159,461,268.60 and 91,002,011.60

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Solution

The fourth proportional to 106,307,512.40, 159,461,268.60 and 91,002,011.60 is: 136,503,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,307,512.40 : 159,461,268.60 = 91,002,011.60 : x
  2. Step 2: Convert to fraction form
    106,307,512.40/159,461,268.60 = 91,002,011.60/x
  3. Step 3: Cross multiply
    106,307,512.40x = 159,461,268.60 × 91,002,011.60
  4. Step 4: Simplify right side
    106,307,512.40x = 14,511,296,214,887,914
  5. Step 5: Solve for x
    x = 14,511,296,214,887,914/106,307,512.40
  6. Step 6: Final answer
    x = 136,503,017.40

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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.