Home / 120,604,126.61-166,426,921.07-67,675,898.09

Finding the Fourth Proportional to 120,604,126.61, 166,426,921.07 and 67,675,898.09

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Solution

The fourth proportional to 120,604,126.61, 166,426,921.07 and 67,675,898.09 is: 93,388,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604,126.61 : 166,426,921.07 = 67,675,898.09 : x
  2. Step 2: Convert to fraction form
    120,604,126.61/166,426,921.07 = 67,675,898.09/x
  3. Step 3: Cross multiply
    120,604,126.61x = 166,426,921.07 × 67,675,898.09
  4. Step 4: Simplify right side
    120,604,126.61x = 11,263,091,349,427,414
  5. Step 5: Solve for x
    x = 11,263,091,349,427,414/120,604,126.61
  6. Step 6: Final answer
    x = 93,388,938.39

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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.