Home / 309,146,850.60-463,776,263.10-155,405,999.40

Finding the Fourth Proportional to 309,146,850.60, 463,776,263.10 and 155,405,999.40

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Solution

The fourth proportional to 309,146,850.60, 463,776,263.10 and 155,405,999.40 is: 233,137,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,146,850.60 : 463,776,263.10 = 155,405,999.40 : x
  2. Step 2: Convert to fraction form
    309,146,850.60/463,776,263.10 = 155,405,999.40/x
  3. Step 3: Cross multiply
    309,146,850.60x = 463,776,263.10 × 155,405,999.40
  4. Step 4: Simplify right side
    309,146,850.60x = 72,073,613,665,052,848
  5. Step 5: Solve for x
    x = 72,073,613,665,052,848/309,146,850.60
  6. Step 6: Final answer
    x = 233,137,143.48

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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.