Home / 261,761,652.40-361,230,992.20-144,288,944.40

Finding the Fourth Proportional to 261,761,652.40, 361,230,992.20 and 144,288,944.40

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Solution

The fourth proportional to 261,761,652.40, 361,230,992.20 and 144,288,944.40 is: 199,118,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,761,652.40 : 361,230,992.20 = 144,288,944.40 : x
  2. Step 2: Convert to fraction form
    261,761,652.40/361,230,992.20 = 144,288,944.40/x
  3. Step 3: Cross multiply
    261,761,652.40x = 361,230,992.20 × 144,288,944.40
  4. Step 4: Simplify right side
    261,761,652.40x = 52,121,638,548,811,648
  5. Step 5: Solve for x
    x = 52,121,638,548,811,648/261,761,652.40
  6. Step 6: Final answer
    x = 199,118,694.70

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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.