Home / 100,937,696.40-139,296,889.89-56,284,696.80

Finding the Fourth Proportional to 100,937,696.40, 139,296,889.89 and 56,284,696.80

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Solution

The fourth proportional to 100,937,696.40, 139,296,889.89 and 56,284,696.80 is: 77,674,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,937,696.40 : 139,296,889.89 = 56,284,696.80 : x
  2. Step 2: Convert to fraction form
    100,937,696.40/139,296,889.89 = 56,284,696.80/x
  3. Step 3: Cross multiply
    100,937,696.40x = 139,296,889.89 × 56,284,696.80
  4. Step 4: Simplify right side
    100,937,696.40x = 7,840,283,212,641,634
  5. Step 5: Solve for x
    x = 7,840,283,212,641,634/100,937,696.40
  6. Step 6: Final answer
    x = 77,674,481.31

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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.