Home / 139,149,311.90-208,652,444.75-73,605,696.92

Finding the Fourth Proportional to 139,149,311.90, 208,652,444.75 and 73,605,696.92

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Solution

The fourth proportional to 139,149,311.90, 208,652,444.75 and 73,605,696.92 is: 110,370,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,149,311.90 : 208,652,444.75 = 73,605,696.92 : x
  2. Step 2: Convert to fraction form
    139,149,311.90/208,652,444.75 = 73,605,696.92/x
  3. Step 3: Cross multiply
    139,149,311.90x = 208,652,444.75 × 73,605,696.92
  4. Step 4: Simplify right side
    139,149,311.90x = 15,358,008,609,885,546
  5. Step 5: Solve for x
    x = 15,358,008,609,885,546/139,149,311.90
  6. Step 6: Final answer
    x = 110,370,711.86

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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.