Home / 100,970,044.80-151,455,067.20-83,751,356.40

Finding the Fourth Proportional to 100,970,044.80, 151,455,067.20 and 83,751,356.40

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Solution

The fourth proportional to 100,970,044.80, 151,455,067.20 and 83,751,356.40 is: 125,627,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,970,044.80 : 151,455,067.20 = 83,751,356.40 : x
  2. Step 2: Convert to fraction form
    100,970,044.80/151,455,067.20 = 83,751,356.40/x
  3. Step 3: Cross multiply
    100,970,044.80x = 151,455,067.20 × 83,751,356.40
  4. Step 4: Simplify right side
    100,970,044.80x = 12,684,567,311,653,150
  5. Step 5: Solve for x
    x = 12,684,567,311,653,150/100,970,044.80
  6. Step 6: Final answer
    x = 125,627,034.60

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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.