Home / 117,626,857.20-176,440,285.80-69,127,945.20

Finding the Fourth Proportional to 117,626,857.20, 176,440,285.80 and 69,127,945.20

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Solution

The fourth proportional to 117,626,857.20, 176,440,285.80 and 69,127,945.20 is: 103,691,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626,857.20 : 176,440,285.80 = 69,127,945.20 : x
  2. Step 2: Convert to fraction form
    117,626,857.20/176,440,285.80 = 69,127,945.20/x
  3. Step 3: Cross multiply
    117,626,857.20x = 176,440,285.80 × 69,127,945.20
  4. Step 4: Simplify right side
    117,626,857.20x = 12,196,954,407,854,740
  5. Step 5: Solve for x
    x = 12,196,954,407,854,740/117,626,857.20
  6. Step 6: Final answer
    x = 103,691,917.80

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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.