Home / 42,850,782.33-64,278,605.13-13,707,181.20

Finding the Fourth Proportional to 42,850,782.33, 64,278,605.13 and 13,707,181.20

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Solution

The fourth proportional to 42,850,782.33, 64,278,605.13 and 13,707,181.20 is: 20,561,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850,782.33 : 64,278,605.13 = 13,707,181.20 : x
  2. Step 2: Convert to fraction form
    42,850,782.33/64,278,605.13 = 13,707,181.20/x
  3. Step 3: Cross multiply
    42,850,782.33x = 64,278,605.13 × 13,707,181.20
  4. Step 4: Simplify right side
    42,850,782.33x = 881,078,487,800,159.50
  5. Step 5: Solve for x
    x = 881,078,487,800,159.50/42,850,782.33
  6. Step 6: Final answer
    x = 20,561,549.64

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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.