Home / 117,420,020.20-176,130,030.30-74,054,434.60

Finding the Fourth Proportional to 117,420,020.20, 176,130,030.30 and 74,054,434.60

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Solution

The fourth proportional to 117,420,020.20, 176,130,030.30 and 74,054,434.60 is: 111,081,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420,020.20 : 176,130,030.30 = 74,054,434.60 : x
  2. Step 2: Convert to fraction form
    117,420,020.20/176,130,030.30 = 74,054,434.60/x
  3. Step 3: Cross multiply
    117,420,020.20x = 176,130,030.30 × 74,054,434.60
  4. Step 4: Simplify right side
    117,420,020.20x = 13,043,209,809,947,368
  5. Step 5: Solve for x
    x = 13,043,209,809,947,368/117,420,020.20
  6. Step 6: Final answer
    x = 111,081,651.90

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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.