Home / 402,375,261.03-603,562,938.28-126,048,008.31

Finding the Fourth Proportional to 402,375,261.03, 603,562,938.28 and 126,048,008.31

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Solution

The fourth proportional to 402,375,261.03, 603,562,938.28 and 126,048,008.31 is: 189,072,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,375,261.03 : 603,562,938.28 = 126,048,008.31 : x
  2. Step 2: Convert to fraction form
    402,375,261.03/603,562,938.28 = 126,048,008.31/x
  3. Step 3: Cross multiply
    402,375,261.03x = 603,562,938.28 × 126,048,008.31
  4. Step 4: Simplify right side
    402,375,261.03x = 76,077,906,259,925,456
  5. Step 5: Solve for x
    x = 76,077,906,259,925,456/402,375,261.03
  6. Step 6: Final answer
    x = 189,072,027.11

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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.