Home / 139,734,326.34-192,834,676.62-77,012,663.22

Finding the Fourth Proportional to 139,734,326.34, 192,834,676.62 and 77,012,663.22

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Solution

The fourth proportional to 139,734,326.34, 192,834,676.62 and 77,012,663.22 is: 106,278,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,734,326.34 : 192,834,676.62 = 77,012,663.22 : x
  2. Step 2: Convert to fraction form
    139,734,326.34/192,834,676.62 = 77,012,663.22/x
  3. Step 3: Cross multiply
    139,734,326.34x = 192,834,676.62 × 77,012,663.22
  4. Step 4: Simplify right side
    139,734,326.34x = 14,850,712,007,673,668
  5. Step 5: Solve for x
    x = 14,850,712,007,673,668/139,734,326.34
  6. Step 6: Final answer
    x = 106,278,195.18

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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.