Home / 139,270,909.11-192,195,851.90-76,552,813.38

Finding the Fourth Proportional to 139,270,909.11, 192,195,851.90 and 76,552,813.38

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Solution

The fourth proportional to 139,270,909.11, 192,195,851.90 and 76,552,813.38 is: 105,643,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270,909.11 : 192,195,851.90 = 76,552,813.38 : x
  2. Step 2: Convert to fraction form
    139,270,909.11/192,195,851.90 = 76,552,813.38/x
  3. Step 3: Cross multiply
    139,270,909.11x = 192,195,851.90 × 76,552,813.38
  4. Step 4: Simplify right side
    139,270,909.11x = 14,713,133,182,910,818
  5. Step 5: Solve for x
    x = 14,713,133,182,910,818/139,270,909.11
  6. Step 6: Final answer
    x = 105,643,980.33

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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.