Home / 185,431,412.40-278,184,443.40-155,347,623.60

Finding the Fourth Proportional to 185,431,412.40, 278,184,443.40 and 155,347,623.60

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Solution

The fourth proportional to 185,431,412.40, 278,184,443.40 and 155,347,623.60 is: 233,052,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,431,412.40 : 278,184,443.40 = 155,347,623.60 : x
  2. Step 2: Convert to fraction form
    185,431,412.40/278,184,443.40 = 155,347,623.60/x
  3. Step 3: Cross multiply
    185,431,412.40x = 278,184,443.40 × 155,347,623.60
  4. Step 4: Simplify right side
    185,431,412.40x = 43,215,292,204,678,696
  5. Step 5: Solve for x
    x = 43,215,292,204,678,696/185,431,412.40
  6. Step 6: Final answer
    x = 233,052,704.75

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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.