Home / 145,224,027.04-200,409,188.88-79,144,540.96

Finding the Fourth Proportional to 145,224,027.04, 200,409,188.88 and 79,144,540.96

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Solution

The fourth proportional to 145,224,027.04, 200,409,188.88 and 79,144,540.96 is: 109,219,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,224,027.04 : 200,409,188.88 = 79,144,540.96 : x
  2. Step 2: Convert to fraction form
    145,224,027.04/200,409,188.88 = 79,144,540.96/x
  3. Step 3: Cross multiply
    145,224,027.04x = 200,409,188.88 × 79,144,540.96
  4. Step 4: Simplify right side
    145,224,027.04x = 15,861,293,258,073,534
  5. Step 5: Solve for x
    x = 15,861,293,258,073,534/145,224,027.04
  6. Step 6: Final answer
    x = 109,219,483.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.