Home / 105,493,469.60-158,240,204.40-64,678,800.80

Finding the Fourth Proportional to 105,493,469.60, 158,240,204.40 and 64,678,800.80

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Solution

The fourth proportional to 105,493,469.60, 158,240,204.40 and 64,678,800.80 is: 97,018,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,493,469.60 : 158,240,204.40 = 64,678,800.80 : x
  2. Step 2: Convert to fraction form
    105,493,469.60/158,240,204.40 = 64,678,800.80/x
  3. Step 3: Cross multiply
    105,493,469.60x = 158,240,204.40 × 64,678,800.80
  4. Step 4: Simplify right side
    105,493,469.60x = 10,234,786,658,938,884
  5. Step 5: Solve for x
    x = 10,234,786,658,938,884/105,493,469.60
  6. Step 6: Final answer
    x = 97,018,201.20

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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.