Home / 99,463,336.80-149,215,183.20-31,290,172.80

Finding the Fourth Proportional to 99,463,336.80, 149,215,183.20 and 31,290,172.80

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Solution

The fourth proportional to 99,463,336.80, 149,215,183.20 and 31,290,172.80 is: 46,941,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,463,336.80 : 149,215,183.20 = 31,290,172.80 : x
  2. Step 2: Convert to fraction form
    99,463,336.80/149,215,183.20 = 31,290,172.80/x
  3. Step 3: Cross multiply
    99,463,336.80x = 149,215,183.20 × 31,290,172.80
  4. Step 4: Simplify right side
    99,463,336.80x = 4,668,968,866,711,657
  5. Step 5: Solve for x
    x = 4,668,968,866,711,657/99,463,336.80
  6. Step 6: Final answer
    x = 46,941,607.00

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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.