Home / 114,983,296.40-172,191,509.40-76,436,109.20

Finding the Fourth Proportional to 114,983,296.40, 172,191,509.40 and 76,436,109.20

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Solution

The fourth proportional to 114,983,296.40, 172,191,509.40 and 76,436,109.20 is: 114,465,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,983,296.40 : 172,191,509.40 = 76,436,109.20 : x
  2. Step 2: Convert to fraction form
    114,983,296.40/172,191,509.40 = 76,436,109.20/x
  3. Step 3: Cross multiply
    114,983,296.40x = 172,191,509.40 × 76,436,109.20
  4. Step 4: Simplify right side
    114,983,296.40x = 13,161,649,015,811,228
  5. Step 5: Solve for x
    x = 13,161,649,015,811,228/114,983,296.40
  6. Step 6: Final answer
    x = 114,465,747.88

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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.