Home / 153,388,939.60-230,083,409.40-136,667,429.20

Finding the Fourth Proportional to 153,388,939.60, 230,083,409.40 and 136,667,429.20

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Solution

The fourth proportional to 153,388,939.60, 230,083,409.40 and 136,667,429.20 is: 205,001,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,388,939.60 : 230,083,409.40 = 136,667,429.20 : x
  2. Step 2: Convert to fraction form
    153,388,939.60/230,083,409.40 = 136,667,429.20/x
  3. Step 3: Cross multiply
    153,388,939.60x = 230,083,409.40 × 136,667,429.20
  4. Step 4: Simplify right side
    153,388,939.60x = 31,444,908,064,269,112
  5. Step 5: Solve for x
    x = 31,444,908,064,269,112/153,388,939.60
  6. Step 6: Final answer
    x = 205,001,143.80

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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.