Home / 84,721,775.04-127,150,754.40-43,793,200.80

Finding the Fourth Proportional to 84,721,775.04, 127,150,754.40 and 43,793,200.80

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Solution

The fourth proportional to 84,721,775.04, 127,150,754.40 and 43,793,200.80 is: 65,724,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721,775.04 : 127,150,754.40 = 43,793,200.80 : x
  2. Step 2: Convert to fraction form
    84,721,775.04/127,150,754.40 = 43,793,200.80/x
  3. Step 3: Cross multiply
    84,721,775.04x = 127,150,754.40 × 43,793,200.80
  4. Step 4: Simplify right side
    84,721,775.04x = 5,568,338,519,310,683
  5. Step 5: Solve for x
    x = 5,568,338,519,310,683/84,721,775.04
  6. Step 6: Final answer
    x = 65,724,998.29

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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.