Home / 127,116,012.80-190,674,019.20-98,418,198.80

Finding the Fourth Proportional to 127,116,012.80, 190,674,019.20 and 98,418,198.80

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Solution

The fourth proportional to 127,116,012.80, 190,674,019.20 and 98,418,198.80 is: 147,627,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,012.80 : 190,674,019.20 = 98,418,198.80 : x
  2. Step 2: Convert to fraction form
    127,116,012.80/190,674,019.20 = 98,418,198.80/x
  3. Step 3: Cross multiply
    127,116,012.80x = 190,674,019.20 × 98,418,198.80
  4. Step 4: Simplify right side
    127,116,012.80x = 18,765,793,527,620,616
  5. Step 5: Solve for x
    x = 18,765,793,527,620,616/127,116,012.80
  6. Step 6: Final answer
    x = 147,627,298.20

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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.