Home / 240,524,672.40-331,924,958.53-130,516,385.40

Finding the Fourth Proportional to 240,524,672.40, 331,924,958.53 and 130,516,385.40

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Solution

The fourth proportional to 240,524,672.40, 331,924,958.53 and 130,516,385.40 is: 180,113,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,524,672.40 : 331,924,958.53 = 130,516,385.40 : x
  2. Step 2: Convert to fraction form
    240,524,672.40/331,924,958.53 = 130,516,385.40/x
  3. Step 3: Cross multiply
    240,524,672.40x = 331,924,958.53 × 130,516,385.40
  4. Step 4: Simplify right side
    240,524,672.40x = 43,321,645,811,054,208
  5. Step 5: Solve for x
    x = 43,321,645,811,054,208/240,524,672.40
  6. Step 6: Final answer
    x = 180,113,105.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.