Home / 139,250,834.40-208,876,212.48-43,512,722.40

Finding the Fourth Proportional to 139,250,834.40, 208,876,212.48 and 43,512,722.40

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Solution

The fourth proportional to 139,250,834.40, 208,876,212.48 and 43,512,722.40 is: 65,269,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,250,834.40 : 208,876,212.48 = 43,512,722.40 : x
  2. Step 2: Convert to fraction form
    139,250,834.40/208,876,212.48 = 43,512,722.40/x
  3. Step 3: Cross multiply
    139,250,834.40x = 208,876,212.48 × 43,512,722.40
  4. Step 4: Simplify right side
    139,250,834.40x = 9,088,772,649,605,654
  5. Step 5: Solve for x
    x = 9,088,772,649,605,654/139,250,834.40
  6. Step 6: Final answer
    x = 65,269,071.38

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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.