Home / 74,724,576.40-112,082,878.77-20,136,285.48

Finding the Fourth Proportional to 74,724,576.40, 112,082,878.77 and 20,136,285.48

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Solution

The fourth proportional to 74,724,576.40, 112,082,878.77 and 20,136,285.48 is: 30,203,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724,576.40 : 112,082,878.77 = 20,136,285.48 : x
  2. Step 2: Convert to fraction form
    74,724,576.40/112,082,878.77 = 20,136,285.48/x
  3. Step 3: Cross multiply
    74,724,576.40x = 112,082,878.77 × 20,136,285.48
  4. Step 4: Simplify right side
    74,724,576.40x = 2,256,932,844,613,158.50
  5. Step 5: Solve for x
    x = 2,256,932,844,613,158.50/74,724,576.40
  6. Step 6: Final answer
    x = 30,203,354.15

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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.