Home / 99,904,028.80-149,856,043.20-64,072,220.80

Finding the Fourth Proportional to 99,904,028.80, 149,856,043.20 and 64,072,220.80

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Solution

The fourth proportional to 99,904,028.80, 149,856,043.20 and 64,072,220.80 is: 96,108,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,904,028.80 : 149,856,043.20 = 64,072,220.80 : x
  2. Step 2: Convert to fraction form
    99,904,028.80/149,856,043.20 = 64,072,220.80/x
  3. Step 3: Cross multiply
    99,904,028.80x = 149,856,043.20 × 64,072,220.80
  4. Step 4: Simplify right side
    99,904,028.80x = 9,601,609,488,124,738
  5. Step 5: Solve for x
    x = 9,601,609,488,124,738/99,904,028.80
  6. Step 6: Final answer
    x = 96,108,331.20

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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.