Home / 99,712,443-149,588,055.96-38,297,109

Finding the Fourth Proportional to 99,712,443, 149,588,055.96 and 38,297,109

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Solution

The fourth proportional to 99,712,443, 149,588,055.96 and 38,297,109 is: 57,453,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712,443 : 149,588,055.96 = 38,297,109 : x
  2. Step 2: Convert to fraction form
    99,712,443/149,588,055.96 = 38,297,109/x
  3. Step 3: Cross multiply
    99,712,443x = 149,588,055.96 × 38,297,109
  4. Step 4: Simplify right side
    99,712,443x = 5,728,790,084,198,220
  5. Step 5: Solve for x
    x = 5,728,790,084,198,220/99,712,443
  6. Step 6: Final answer
    x = 57,453,111.29

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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.