Home / 74,468,342.40-111,702,513.60-51,510,091.20

Finding the Fourth Proportional to 74,468,342.40, 111,702,513.60 and 51,510,091.20

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Solution

The fourth proportional to 74,468,342.40, 111,702,513.60 and 51,510,091.20 is: 77,265,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,342.40 : 111,702,513.60 = 51,510,091.20 : x
  2. Step 2: Convert to fraction form
    74,468,342.40/111,702,513.60 = 51,510,091.20/x
  3. Step 3: Cross multiply
    74,468,342.40x = 111,702,513.60 × 51,510,091.20
  4. Step 4: Simplify right side
    74,468,342.40x = 5,753,806,662,805,240
  5. Step 5: Solve for x
    x = 5,753,806,662,805,240/74,468,342.40
  6. Step 6: Final answer
    x = 77,265,136.80

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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.