Home / 276,048,010.40-414,072,015.60-84,546,903.20

Finding the Fourth Proportional to 276,048,010.40, 414,072,015.60 and 84,546,903.20

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Solution

The fourth proportional to 276,048,010.40, 414,072,015.60 and 84,546,903.20 is: 126,820,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048,010.40 : 414,072,015.60 = 84,546,903.20 : x
  2. Step 2: Convert to fraction form
    276,048,010.40/414,072,015.60 = 84,546,903.20/x
  3. Step 3: Cross multiply
    276,048,010.40x = 414,072,015.60 × 84,546,903.20
  4. Step 4: Simplify right side
    276,048,010.40x = 35,008,506,620,762,092
  5. Step 5: Solve for x
    x = 35,008,506,620,762,092/276,048,010.40
  6. Step 6: Final answer
    x = 126,820,354.80

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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.