Home / 67,966,389.20-101,781,622.20-45,123,611.60

Finding the Fourth Proportional to 67,966,389.20, 101,781,622.20 and 45,123,611.60

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Solution

The fourth proportional to 67,966,389.20, 101,781,622.20 and 45,123,611.60 is: 67,573,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,966,389.20 : 101,781,622.20 = 45,123,611.60 : x
  2. Step 2: Convert to fraction form
    67,966,389.20/101,781,622.20 = 45,123,611.60/x
  3. Step 3: Cross multiply
    67,966,389.20x = 101,781,622.20 × 45,123,611.60
  4. Step 4: Simplify right side
    67,966,389.20x = 4,592,754,388,170,738
  5. Step 5: Solve for x
    x = 4,592,754,388,170,738/67,966,389.20
  6. Step 6: Final answer
    x = 67,573,905.90

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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.