Home / 186,624,896.80-279,937,345.20-173,020,007.20

Finding the Fourth Proportional to 186,624,896.80, 279,937,345.20 and 173,020,007.20

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Solution

The fourth proportional to 186,624,896.80, 279,937,345.20 and 173,020,007.20 is: 259,530,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,896.80 : 279,937,345.20 = 173,020,007.20 : x
  2. Step 2: Convert to fraction form
    186,624,896.80/279,937,345.20 = 173,020,007.20/x
  3. Step 3: Cross multiply
    186,624,896.80x = 279,937,345.20 × 173,020,007.20
  4. Step 4: Simplify right side
    186,624,896.80x = 48,434,761,482,052,880
  5. Step 5: Solve for x
    x = 48,434,761,482,052,880/186,624,896.80
  6. Step 6: Final answer
    x = 259,530,010.80

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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.