Home / 117,918,178.40-176,877,267.60-74,977,745.60

Finding the Fourth Proportional to 117,918,178.40, 176,877,267.60 and 74,977,745.60

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Solution

The fourth proportional to 117,918,178.40, 176,877,267.60 and 74,977,745.60 is: 112,466,618.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918,178.40 : 176,877,267.60 = 74,977,745.60 : x
  2. Step 2: Convert to fraction form
    117,918,178.40/176,877,267.60 = 74,977,745.60/x
  3. Step 3: Cross multiply
    117,918,178.40x = 176,877,267.60 × 74,977,745.60
  4. Step 4: Simplify right side
    117,918,178.40x = 13,261,858,772,535,922
  5. Step 5: Solve for x
    x = 13,261,858,772,535,922/117,918,178.40
  6. Step 6: Final answer
    x = 112,466,618.40

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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.