Home / 127,116,991.80-190,700,370.90-54,333,631.80

Finding the Fourth Proportional to 127,116,991.80, 190,700,370.90 and 54,333,631.80

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Solution

The fourth proportional to 127,116,991.80, 190,700,370.90 and 54,333,631.80 is: 81,511,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,991.80 : 190,700,370.90 = 54,333,631.80 : x
  2. Step 2: Convert to fraction form
    127,116,991.80/190,700,370.90 = 54,333,631.80/x
  3. Step 3: Cross multiply
    127,116,991.80x = 190,700,370.90 × 54,333,631.80
  4. Step 4: Simplify right side
    127,116,991.80x = 10,361,443,736,604,034
  5. Step 5: Solve for x
    x = 10,361,443,736,604,034/127,116,991.80
  6. Step 6: Final answer
    x = 81,511,083.53

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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.