Home / 139,020,201.90-208,530,302.85-36,794,573.10

Finding the Fourth Proportional to 139,020,201.90, 208,530,302.85 and 36,794,573.10

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Solution

The fourth proportional to 139,020,201.90, 208,530,302.85 and 36,794,573.10 is: 55,191,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,020,201.90 : 208,530,302.85 = 36,794,573.10 : x
  2. Step 2: Convert to fraction form
    139,020,201.90/208,530,302.85 = 36,794,573.10/x
  3. Step 3: Cross multiply
    139,020,201.90x = 208,530,302.85 × 36,794,573.10
  4. Step 4: Simplify right side
    139,020,201.90x = 7,672,783,471,779,463
  5. Step 5: Solve for x
    x = 7,672,783,471,779,463/139,020,201.90
  6. Step 6: Final answer
    x = 55,191,859.65

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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.