Home / 120,383,769.02-166,130,577.54-65,380,019.18

Finding the Fourth Proportional to 120,383,769.02, 166,130,577.54 and 65,380,019.18

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Solution

The fourth proportional to 120,383,769.02, 166,130,577.54 and 65,380,019.18 is: 90,224,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,383,769.02 : 166,130,577.54 = 65,380,019.18 : x
  2. Step 2: Convert to fraction form
    120,383,769.02/166,130,577.54 = 65,380,019.18/x
  3. Step 3: Cross multiply
    120,383,769.02x = 166,130,577.54 × 65,380,019.18
  4. Step 4: Simplify right side
    120,383,769.02x = 10,861,620,345,119,024
  5. Step 5: Solve for x
    x = 10,861,620,345,119,024/120,383,769.02
  6. Step 6: Final answer
    x = 90,224,956.69

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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.