Home / 178,041,434.45-266,986,481.30-72,924,308.37

Finding the Fourth Proportional to 178,041,434.45, 266,986,481.30 and 72,924,308.37

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Solution

The fourth proportional to 178,041,434.45, 266,986,481.30 and 72,924,308.37 is: 109,355,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,041,434.45 : 266,986,481.30 = 72,924,308.37 : x
  2. Step 2: Convert to fraction form
    178,041,434.45/266,986,481.30 = 72,924,308.37/x
  3. Step 3: Cross multiply
    178,041,434.45x = 266,986,481.30 × 72,924,308.37
  4. Step 4: Simplify right side
    178,041,434.45x = 19,469,804,492,942,440
  5. Step 5: Solve for x
    x = 19,469,804,492,942,440/178,041,434.45
  6. Step 6: Final answer
    x = 109,355,468.59

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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.