Home / 77,974,861.60-116,962,292.40-20,472,945.40

Finding the Fourth Proportional to 77,974,861.60, 116,962,292.40 and 20,472,945.40

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Solution

The fourth proportional to 77,974,861.60, 116,962,292.40 and 20,472,945.40 is: 30,709,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974,861.60 : 116,962,292.40 = 20,472,945.40 : x
  2. Step 2: Convert to fraction form
    77,974,861.60/116,962,292.40 = 20,472,945.40/x
  3. Step 3: Cross multiply
    77,974,861.60x = 116,962,292.40 × 20,472,945.40
  4. Step 4: Simplify right side
    77,974,861.60x = 2,394,562,626,164,035
  5. Step 5: Solve for x
    x = 2,394,562,626,164,035/77,974,861.60
  6. Step 6: Final answer
    x = 30,709,418.10

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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.