Home / 109,037,814.80-163,556,722.20-65,991,093.80

Finding the Fourth Proportional to 109,037,814.80, 163,556,722.20 and 65,991,093.80

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Solution

The fourth proportional to 109,037,814.80, 163,556,722.20 and 65,991,093.80 is: 98,986,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,037,814.80 : 163,556,722.20 = 65,991,093.80 : x
  2. Step 2: Convert to fraction form
    109,037,814.80/163,556,722.20 = 65,991,093.80/x
  3. Step 3: Cross multiply
    109,037,814.80x = 163,556,722.20 × 65,991,093.80
  4. Step 4: Simplify right side
    109,037,814.80x = 10,793,286,996,320,742
  5. Step 5: Solve for x
    x = 10,793,286,996,320,742/109,037,814.80
  6. Step 6: Final answer
    x = 98,986,640.70

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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.