Home / 139,344,502.18-192,287,882.73-77,460,450.34

Finding the Fourth Proportional to 139,344,502.18, 192,287,882.73 and 77,460,450.34

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Solution

The fourth proportional to 139,344,502.18, 192,287,882.73 and 77,460,450.34 is: 106,891,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,344,502.18 : 192,287,882.73 = 77,460,450.34 : x
  2. Step 2: Convert to fraction form
    139,344,502.18/192,287,882.73 = 77,460,450.34/x
  3. Step 3: Cross multiply
    139,344,502.18x = 192,287,882.73 × 77,460,450.34
  4. Step 4: Simplify right side
    139,344,502.18x = 14,894,705,991,190,908
  5. Step 5: Solve for x
    x = 14,894,705,991,190,908/139,344,502.18
  6. Step 6: Final answer
    x = 106,891,235.45

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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.