Home / 145,224,025.04-200,409,186.12-79,144,538.96

Finding the Fourth Proportional to 145,224,025.04, 200,409,186.12 and 79,144,538.96

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Solution

The fourth proportional to 145,224,025.04, 200,409,186.12 and 79,144,538.96 is: 109,219,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,224,025.04 : 200,409,186.12 = 79,144,538.96 : x
  2. Step 2: Convert to fraction form
    145,224,025.04/200,409,186.12 = 79,144,538.96/x
  3. Step 3: Cross multiply
    145,224,025.04x = 200,409,186.12 × 79,144,538.96
  4. Step 4: Simplify right side
    145,224,025.04x = 15,861,292,638,816,230
  5. Step 5: Solve for x
    x = 15,861,292,638,816,230/145,224,025.04
  6. Step 6: Final answer
    x = 109,219,480.97

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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.