Home / 124,401,072.30-186,601,608.45-79,163,414.70

Finding the Fourth Proportional to 124,401,072.30, 186,601,608.45 and 79,163,414.70

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Solution

The fourth proportional to 124,401,072.30, 186,601,608.45 and 79,163,414.70 is: 118,745,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,401,072.30 : 186,601,608.45 = 79,163,414.70 : x
  2. Step 2: Convert to fraction form
    124,401,072.30/186,601,608.45 = 79,163,414.70/x
  3. Step 3: Cross multiply
    124,401,072.30x = 186,601,608.45 × 79,163,414.70
  4. Step 4: Simplify right side
    124,401,072.30x = 14,772,020,513,414,374
  5. Step 5: Solve for x
    x = 14,772,020,513,414,374/124,401,072.30
  6. Step 6: Final answer
    x = 118,745,122.05

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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.