Home / 134,313,885.20-201,421,061.40-43,440,438.80

Finding the Fourth Proportional to 134,313,885.20, 201,421,061.40 and 43,440,438.80

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Solution

The fourth proportional to 134,313,885.20, 201,421,061.40 and 43,440,438.80 is: 65,144,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,313,885.20 : 201,421,061.40 = 43,440,438.80 : x
  2. Step 2: Convert to fraction form
    134,313,885.20/201,421,061.40 = 43,440,438.80/x
  3. Step 3: Cross multiply
    134,313,885.20x = 201,421,061.40 × 43,440,438.80
  4. Step 4: Simplify right side
    134,313,885.20x = 8,749,819,290,777,742
  5. Step 5: Solve for x
    x = 8,749,819,290,777,742/134,313,885.20
  6. Step 6: Final answer
    x = 65,144,562.51

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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.