Home / 52,503,859.70-78,732,169.95-20,145,007.70

Finding the Fourth Proportional to 52,503,859.70, 78,732,169.95 and 20,145,007.70

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Solution

The fourth proportional to 52,503,859.70, 78,732,169.95 and 20,145,007.70 is: 30,208,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503,859.70 : 78,732,169.95 = 20,145,007.70 : x
  2. Step 2: Convert to fraction form
    52,503,859.70/78,732,169.95 = 20,145,007.70/x
  3. Step 3: Cross multiply
    52,503,859.70x = 78,732,169.95 × 20,145,007.70
  4. Step 4: Simplify right side
    52,503,859.70x = 1,586,060,169,880,458.50
  5. Step 5: Solve for x
    x = 1,586,060,169,880,458.50/52,503,859.70
  6. Step 6: Final answer
    x = 30,208,449.03

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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.