Home / 136,333,848.44-188,142,206.28-74,456,007.68

Finding the Fourth Proportional to 136,333,848.44, 188,142,206.28 and 74,456,007.68

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Solution

The fourth proportional to 136,333,848.44, 188,142,206.28 and 74,456,007.68 is: 102,750,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,333,848.44 : 188,142,206.28 = 74,456,007.68 : x
  2. Step 2: Convert to fraction form
    136,333,848.44/188,142,206.28 = 74,456,007.68/x
  3. Step 3: Cross multiply
    136,333,848.44x = 188,142,206.28 × 74,456,007.68
  4. Step 4: Simplify right side
    136,333,848.44x = 14,008,317,555,715,826
  5. Step 5: Solve for x
    x = 14,008,317,555,715,826/136,333,848.44
  6. Step 6: Final answer
    x = 102,750,107.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.