Home / 72,073,401.55-108,124,011.68-23,538,207.22

Finding the Fourth Proportional to 72,073,401.55, 108,124,011.68 and 23,538,207.22

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Solution

The fourth proportional to 72,073,401.55, 108,124,011.68 and 23,538,207.22 is: 35,311,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073,401.55 : 108,124,011.68 = 23,538,207.22 : x
  2. Step 2: Convert to fraction form
    72,073,401.55/108,124,011.68 = 23,538,207.22/x
  3. Step 3: Cross multiply
    72,073,401.55x = 108,124,011.68 × 23,538,207.22
  4. Step 4: Simplify right side
    72,073,401.55x = 2,545,045,391,993,539.50
  5. Step 5: Solve for x
    x = 2,545,045,391,993,539.50/72,073,401.55
  6. Step 6: Final answer
    x = 35,311,853.43

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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.