Home / 127,116,982.80-190,700,357.40-54,333,622.80

Finding the Fourth Proportional to 127,116,982.80, 190,700,357.40 and 54,333,622.80

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Solution

The fourth proportional to 127,116,982.80, 190,700,357.40 and 54,333,622.80 is: 81,511,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,982.80 : 190,700,357.40 = 54,333,622.80 : x
  2. Step 2: Convert to fraction form
    127,116,982.80/190,700,357.40 = 54,333,622.80/x
  3. Step 3: Cross multiply
    127,116,982.80x = 190,700,357.40 × 54,333,622.80
  4. Step 4: Simplify right side
    127,116,982.80x = 10,361,441,286,796,788
  5. Step 5: Solve for x
    x = 10,361,441,286,796,788/127,116,982.80
  6. Step 6: Final answer
    x = 81,511,070.03

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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.