Home / 117,385,271.37-161,996,733.84-65,174,309.59

Finding the Fourth Proportional to 117,385,271.37, 161,996,733.84 and 65,174,309.59

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Solution

The fourth proportional to 117,385,271.37, 161,996,733.84 and 65,174,309.59 is: 89,943,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,385,271.37 : 161,996,733.84 = 65,174,309.59 : x
  2. Step 2: Convert to fraction form
    117,385,271.37/161,996,733.84 = 65,174,309.59/x
  3. Step 3: Cross multiply
    117,385,271.37x = 161,996,733.84 × 65,174,309.59
  4. Step 4: Simplify right side
    117,385,271.37x = 10,558,025,283,856,990
  5. Step 5: Solve for x
    x = 10,558,025,283,856,990/117,385,271.37
  6. Step 6: Final answer
    x = 89,943,356.27

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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.