Home / 133,731,021.40-200,596,532.10-112,207,660.90

Finding the Fourth Proportional to 133,731,021.40, 200,596,532.10 and 112,207,660.90

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Solution

The fourth proportional to 133,731,021.40, 200,596,532.10 and 112,207,660.90 is: 168,311,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731,021.40 : 200,596,532.10 = 112,207,660.90 : x
  2. Step 2: Convert to fraction form
    133,731,021.40/200,596,532.10 = 112,207,660.90/x
  3. Step 3: Cross multiply
    133,731,021.40x = 200,596,532.10 × 112,207,660.90
  4. Step 4: Simplify right side
    133,731,021.40x = 22,508,467,651,592,764
  5. Step 5: Solve for x
    x = 22,508,467,651,592,764/133,731,021.40
  6. Step 6: Final answer
    x = 168,311,491.35

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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.