Home / 104,975,996.40-157,463,994.60-66,665,005.20

Finding the Fourth Proportional to 104,975,996.40, 157,463,994.60 and 66,665,005.20

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Solution

The fourth proportional to 104,975,996.40, 157,463,994.60 and 66,665,005.20 is: 99,997,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,975,996.40 : 157,463,994.60 = 66,665,005.20 : x
  2. Step 2: Convert to fraction form
    104,975,996.40/157,463,994.60 = 66,665,005.20/x
  3. Step 3: Cross multiply
    104,975,996.40x = 157,463,994.60 × 66,665,005.20
  4. Step 4: Simplify right side
    104,975,996.40x = 10,497,338,018,821,772
  5. Step 5: Solve for x
    x = 10,497,338,018,821,772/104,975,996.40
  6. Step 6: Final answer
    x = 99,997,507.80

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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.