Home / 155,632,813.45-214,773,100.56-85,068,887.08

Finding the Fourth Proportional to 155,632,813.45, 214,773,100.56 and 85,068,887.08

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Solution

The fourth proportional to 155,632,813.45, 214,773,100.56 and 85,068,887.08 is: 117,394,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,632,813.45 : 214,773,100.56 = 85,068,887.08 : x
  2. Step 2: Convert to fraction form
    155,632,813.45/214,773,100.56 = 85,068,887.08/x
  3. Step 3: Cross multiply
    155,632,813.45x = 214,773,100.56 × 85,068,887.08
  4. Step 4: Simplify right side
    155,632,813.45x = 18,270,508,639,377,308
  5. Step 5: Solve for x
    x = 18,270,508,639,377,308/155,632,813.45
  6. Step 6: Final answer
    x = 117,394,964.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.