Home / 93,313,478.80-139,970,218.20-79,708,589.20

Finding the Fourth Proportional to 93,313,478.80, 139,970,218.20 and 79,708,589.20

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Solution

The fourth proportional to 93,313,478.80, 139,970,218.20 and 79,708,589.20 is: 119,562,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313,478.80 : 139,970,218.20 = 79,708,589.20 : x
  2. Step 2: Convert to fraction form
    93,313,478.80/139,970,218.20 = 79,708,589.20/x
  3. Step 3: Cross multiply
    93,313,478.80x = 139,970,218.20 × 79,708,589.20
  4. Step 4: Simplify right side
    93,313,478.80x = 11,156,828,622,738,162
  5. Step 5: Solve for x
    x = 11,156,828,622,738,162/93,313,478.80
  6. Step 6: Final answer
    x = 119,562,883.80

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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.