Home / 118,326,789.88-177,499,109.03-35,321,988.78

Finding the Fourth Proportional to 118,326,789.88, 177,499,109.03 and 35,321,988.78

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Solution

The fourth proportional to 118,326,789.88, 177,499,109.03 and 35,321,988.78 is: 52,985,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,326,789.88 : 177,499,109.03 = 35,321,988.78 : x
  2. Step 2: Convert to fraction form
    118,326,789.88/177,499,109.03 = 35,321,988.78/x
  3. Step 3: Cross multiply
    118,326,789.88x = 177,499,109.03 × 35,321,988.78
  4. Step 4: Simplify right side
    118,326,789.88x = 6,269,621,537,441,047
  5. Step 5: Solve for x
    x = 6,269,621,537,441,047/118,326,789.88
  6. Step 6: Final answer
    x = 52,985,647.16

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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.