Home / 117,420,010.80-176,130,016.20-100,035,985.20

Finding the Fourth Proportional to 117,420,010.80, 176,130,016.20 and 100,035,985.20

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Solution

The fourth proportional to 117,420,010.80, 176,130,016.20 and 100,035,985.20 is: 150,053,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420,010.80 : 176,130,016.20 = 100,035,985.20 : x
  2. Step 2: Convert to fraction form
    117,420,010.80/176,130,016.20 = 100,035,985.20/x
  3. Step 3: Cross multiply
    117,420,010.80x = 176,130,016.20 × 100,035,985.20
  4. Step 4: Simplify right side
    117,420,010.80x = 17,619,339,693,858,960
  5. Step 5: Solve for x
    x = 17,619,339,693,858,960/117,420,010.80
  6. Step 6: Final answer
    x = 150,053,977.80

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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.