Home / 72,002,830.80-108,004,246.20-52,870,954.80

Finding the Fourth Proportional to 72,002,830.80, 108,004,246.20 and 52,870,954.80

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Solution

The fourth proportional to 72,002,830.80, 108,004,246.20 and 52,870,954.80 is: 79,306,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002,830.80 : 108,004,246.20 = 52,870,954.80 : x
  2. Step 2: Convert to fraction form
    72,002,830.80/108,004,246.20 = 52,870,954.80/x
  3. Step 3: Cross multiply
    72,002,830.80x = 108,004,246.20 × 52,870,954.80
  4. Step 4: Simplify right side
    72,002,830.80x = 5,710,287,619,048,272
  5. Step 5: Solve for x
    x = 5,710,287,619,048,272/72,002,830.80
  6. Step 6: Final answer
    x = 79,306,432.20

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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.