Home / 141,336,638.70-211,743,684.45-80,571,864.30

Finding the Fourth Proportional to 141,336,638.70, 211,743,684.45 and 80,571,864.30

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Solution

The fourth proportional to 141,336,638.70, 211,743,684.45 and 80,571,864.30 is: 120,708,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,336,638.70 : 211,743,684.45 = 80,571,864.30 : x
  2. Step 2: Convert to fraction form
    141,336,638.70/211,743,684.45 = 80,571,864.30/x
  3. Step 3: Cross multiply
    141,336,638.70x = 211,743,684.45 × 80,571,864.30
  4. Step 4: Simplify right side
    141,336,638.70x = 17,060,583,409,887,418
  5. Step 5: Solve for x
    x = 17,060,583,409,887,418/141,336,638.70
  6. Step 6: Final answer
    x = 120,708,852.05

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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.