Home / 133,037,814.70-199,556,722.05-72,571,638.70

Finding the Fourth Proportional to 133,037,814.70, 199,556,722.05 and 72,571,638.70

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Solution

The fourth proportional to 133,037,814.70, 199,556,722.05 and 72,571,638.70 is: 108,857,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037,814.70 : 199,556,722.05 = 72,571,638.70 : x
  2. Step 2: Convert to fraction form
    133,037,814.70/199,556,722.05 = 72,571,638.70/x
  3. Step 3: Cross multiply
    133,037,814.70x = 199,556,722.05 × 72,571,638.70
  4. Step 4: Simplify right side
    133,037,814.70x = 14,482,158,332,768,924
  5. Step 5: Solve for x
    x = 14,482,158,332,768,924/133,037,814.70
  6. Step 6: Final answer
    x = 108,857,458.05

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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.