Home / 112,072,364.55-168,108,546.83-107,767,692.45

Finding the Fourth Proportional to 112,072,364.55, 168,108,546.83 and 107,767,692.45

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Solution

The fourth proportional to 112,072,364.55, 168,108,546.83 and 107,767,692.45 is: 161,651,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,364.55 : 168,108,546.83 = 107,767,692.45 : x
  2. Step 2: Convert to fraction form
    112,072,364.55/168,108,546.83 = 107,767,692.45/x
  3. Step 3: Cross multiply
    112,072,364.55x = 168,108,546.83 × 107,767,692.45
  4. Step 4: Simplify right side
    112,072,364.55x = 18,116,670,172,453,024
  5. Step 5: Solve for x
    x = 18,116,670,172,453,024/112,072,364.55
  6. Step 6: Final answer
    x = 161,651,538.68

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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.