Home / 118,143,313.20-177,214,969.80-31,881,581.55

Finding the Fourth Proportional to 118,143,313.20, 177,214,969.80 and 31,881,581.55

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Solution

The fourth proportional to 118,143,313.20, 177,214,969.80 and 31,881,581.55 is: 47,822,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143,313.20 : 177,214,969.80 = 31,881,581.55 : x
  2. Step 2: Convert to fraction form
    118,143,313.20/177,214,969.80 = 31,881,581.55/x
  3. Step 3: Cross multiply
    118,143,313.20x = 177,214,969.80 × 31,881,581.55
  4. Step 4: Simplify right side
    118,143,313.20x = 5,649,893,511,559,488
  5. Step 5: Solve for x
    x = 5,649,893,511,559,488/118,143,313.20
  6. Step 6: Final answer
    x = 47,822,372.33

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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.