Home / 120,604,128.12-166,426,923.14-67,675,899.60

Finding the Fourth Proportional to 120,604,128.12, 166,426,923.14 and 67,675,899.60

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Solution

The fourth proportional to 120,604,128.12, 166,426,923.14 and 67,675,899.60 is: 93,388,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604,128.12 : 166,426,923.14 = 67,675,899.60 : x
  2. Step 2: Convert to fraction form
    120,604,128.12/166,426,923.14 = 67,675,899.60/x
  3. Step 3: Cross multiply
    120,604,128.12x = 166,426,923.14 × 67,675,899.60
  4. Step 4: Simplify right side
    120,604,128.12x = 11,263,091,741,159,554
  5. Step 5: Solve for x
    x = 11,263,091,741,159,554/120,604,128.12
  6. Step 6: Final answer
    x = 93,388,940.47

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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.