Home / 139,020,203.90-208,530,305.85-36,794,575.10

Finding the Fourth Proportional to 139,020,203.90, 208,530,305.85 and 36,794,575.10

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Solution

The fourth proportional to 139,020,203.90, 208,530,305.85 and 36,794,575.10 is: 55,191,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,020,203.90 : 208,530,305.85 = 36,794,575.10 : x
  2. Step 2: Convert to fraction form
    139,020,203.90/208,530,305.85 = 36,794,575.10/x
  3. Step 3: Cross multiply
    139,020,203.90x = 208,530,305.85 × 36,794,575.10
  4. Step 4: Simplify right side
    139,020,203.90x = 7,672,783,999,223,794
  5. Step 5: Solve for x
    x = 7,672,783,999,223,794/139,020,203.90
  6. Step 6: Final answer
    x = 55,191,862.65

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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.