Home / 139,433,668.40-192,414,599.06-75,851,899.49

Finding the Fourth Proportional to 139,433,668.40, 192,414,599.06 and 75,851,899.49

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Solution

The fourth proportional to 139,433,668.40, 192,414,599.06 and 75,851,899.49 is: 104,673,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,433,668.40 : 192,414,599.06 = 75,851,899.49 : x
  2. Step 2: Convert to fraction form
    139,433,668.40/192,414,599.06 = 75,851,899.49/x
  3. Step 3: Cross multiply
    139,433,668.40x = 192,414,599.06 × 75,851,899.49
  4. Step 4: Simplify right side
    139,433,668.40x = 14,595,012,826,966,436
  5. Step 5: Solve for x
    x = 14,595,012,826,966,436/139,433,668.40
  6. Step 6: Final answer
    x = 104,673,519.64

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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.