Home / 42,372,017.10-63,558,025.65-39,821,100.30

Finding the Fourth Proportional to 42,372,017.10, 63,558,025.65 and 39,821,100.30

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Solution

The fourth proportional to 42,372,017.10, 63,558,025.65 and 39,821,100.30 is: 59,731,650.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372,017.10 : 63,558,025.65 = 39,821,100.30 : x
  2. Step 2: Convert to fraction form
    42,372,017.10/63,558,025.65 = 39,821,100.30/x
  3. Step 3: Cross multiply
    42,372,017.10x = 63,558,025.65 × 39,821,100.30
  4. Step 4: Simplify right side
    42,372,017.10x = 2,530,950,514,278,622.50
  5. Step 5: Solve for x
    x = 2,530,950,514,278,622.50/42,372,017.10
  6. Step 6: Final answer
    x = 59,731,650.45

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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.