Home / 42,394,291.80-63,594,893.70-18,133,402.20

Finding the Fourth Proportional to 42,394,291.80, 63,594,893.70 and 18,133,402.20

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Solution

The fourth proportional to 42,394,291.80, 63,594,893.70 and 18,133,402.20 is: 27,201,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,394,291.80 : 63,594,893.70 = 18,133,402.20 : x
  2. Step 2: Convert to fraction form
    42,394,291.80/63,594,893.70 = 18,133,402.20/x
  3. Step 3: Cross multiply
    42,394,291.80x = 63,594,893.70 × 18,133,402.20
  4. Step 4: Simplify right side
    42,394,291.80x = 1,153,191,785,328,346.25
  5. Step 5: Solve for x
    x = 1,153,191,785,328,346.25/42,394,291.80
  6. Step 6: Final answer
    x = 27,201,581.54

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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.