Home / 276,829,889.20-415,404,266.10-104,430,428.80

Finding the Fourth Proportional to 276,829,889.20, 415,404,266.10 and 104,430,428.80

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Solution

The fourth proportional to 276,829,889.20, 415,404,266.10 and 104,430,428.80 is: 156,705,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,829,889.20 : 415,404,266.10 = 104,430,428.80 : x
  2. Step 2: Convert to fraction form
    276,829,889.20/415,404,266.10 = 104,430,428.80/x
  3. Step 3: Cross multiply
    276,829,889.20x = 415,404,266.10 × 104,430,428.80
  4. Step 4: Simplify right side
    276,829,889.20x = 43,380,845,634,172,304
  5. Step 5: Solve for x
    x = 43,380,845,634,172,304/276,829,889.20
  6. Step 6: Final answer
    x = 156,705,786.93

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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.