Home / 215,424,967.30-322,673,313.50-145,956,623.63

Finding the Fourth Proportional to 215,424,967.30, 322,673,313.50 and 145,956,623.63

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Solution

The fourth proportional to 215,424,967.30, 322,673,313.50 and 145,956,623.63 is: 218,620,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,424,967.30 : 322,673,313.50 = 145,956,623.63 : x
  2. Step 2: Convert to fraction form
    215,424,967.30/322,673,313.50 = 145,956,623.63/x
  3. Step 3: Cross multiply
    215,424,967.30x = 322,673,313.50 × 145,956,623.63
  4. Step 4: Simplify right side
    215,424,967.30x = 47,096,307,372,988,960
  5. Step 5: Solve for x
    x = 47,096,307,372,988,960/215,424,967.30
  6. Step 6: Final answer
    x = 218,620,468.94

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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.