Home / 117,918,177.40-176,877,266.10-74,977,744.60

Finding the Fourth Proportional to 117,918,177.40, 176,877,266.10 and 74,977,744.60

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Solution

The fourth proportional to 117,918,177.40, 176,877,266.10 and 74,977,744.60 is: 112,466,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918,177.40 : 176,877,266.10 = 74,977,744.60 : x
  2. Step 2: Convert to fraction form
    117,918,177.40/176,877,266.10 = 74,977,744.60/x
  3. Step 3: Cross multiply
    117,918,177.40x = 176,877,266.10 × 74,977,744.60
  4. Step 4: Simplify right side
    117,918,177.40x = 13,261,858,483,192,036
  5. Step 5: Solve for x
    x = 13,261,858,483,192,036/117,918,177.40
  6. Step 6: Final answer
    x = 112,466,616.90

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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.