Home / 136,333,864.44-188,142,228.36-74,456,023.68

Finding the Fourth Proportional to 136,333,864.44, 188,142,228.36 and 74,456,023.68

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Solution

The fourth proportional to 136,333,864.44, 188,142,228.36 and 74,456,023.68 is: 102,750,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,333,864.44 : 188,142,228.36 = 74,456,023.68 : x
  2. Step 2: Convert to fraction form
    136,333,864.44/188,142,228.36 = 74,456,023.68/x
  3. Step 3: Cross multiply
    136,333,864.44x = 188,142,228.36 × 74,456,023.68
  4. Step 4: Simplify right side
    136,333,864.44x = 14,008,322,209,980,130
  5. Step 5: Solve for x
    x = 14,008,322,209,980,130/136,333,864.44
  6. Step 6: Final answer
    x = 102,750,129.38

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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.