Home / 151,955,350.33-209,675,190.18-85,851,729.31

Finding the Fourth Proportional to 151,955,350.33, 209,675,190.18 and 85,851,729.31

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Solution

The fourth proportional to 151,955,350.33, 209,675,190.18 and 85,851,729.31 is: 118,462,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,955,350.33 : 209,675,190.18 = 85,851,729.31 : x
  2. Step 2: Convert to fraction form
    151,955,350.33/209,675,190.18 = 85,851,729.31/x
  3. Step 3: Cross multiply
    151,955,350.33x = 209,675,190.18 × 85,851,729.31
  4. Step 4: Simplify right side
    151,955,350.33x = 18,000,977,670,356,132
  5. Step 5: Solve for x
    x = 18,000,977,670,356,132/151,955,350.33
  6. Step 6: Final answer
    x = 118,462,282.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.