Home / 164,619,009.60-246,928,514.40-137,834,383.20

Finding the Fourth Proportional to 164,619,009.60, 246,928,514.40 and 137,834,383.20

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Solution

The fourth proportional to 164,619,009.60, 246,928,514.40 and 137,834,383.20 is: 206,751,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,619,009.60 : 246,928,514.40 = 137,834,383.20 : x
  2. Step 2: Convert to fraction form
    164,619,009.60/246,928,514.40 = 137,834,383.20/x
  3. Step 3: Cross multiply
    164,619,009.60x = 246,928,514.40 × 137,834,383.20
  4. Step 4: Simplify right side
    164,619,009.60x = 34,035,239,476,816,316
  5. Step 5: Solve for x
    x = 34,035,239,476,816,316/164,619,009.60
  6. Step 6: Final answer
    x = 206,751,574.80

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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.