Home / 120,049,433.82-180,077,824.89-83,125,175.58

Finding the Fourth Proportional to 120,049,433.82, 180,077,824.89 and 83,125,175.58

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Solution

The fourth proportional to 120,049,433.82, 180,077,824.89 and 83,125,175.58 is: 124,690,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,049,433.82 : 180,077,824.89 = 83,125,175.58 : x
  2. Step 2: Convert to fraction form
    120,049,433.82/180,077,824.89 = 83,125,175.58/x
  3. Step 3: Cross multiply
    120,049,433.82x = 180,077,824.89 × 83,125,175.58
  4. Step 4: Simplify right side
    120,049,433.82x = 14,969,000,812,045,742
  5. Step 5: Solve for x
    x = 14,969,000,812,045,742/120,049,433.82
  6. Step 6: Final answer
    x = 124,690,307.45

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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.