Home / 186,940,061.58-280,159,441.89-145,490,987.36

Finding the Fourth Proportional to 186,940,061.58, 280,159,441.89 and 145,490,987.36

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Solution

The fourth proportional to 186,940,061.58, 280,159,441.89 and 145,490,987.36 is: 218,041,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,061.58 : 280,159,441.89 = 145,490,987.36 : x
  2. Step 2: Convert to fraction form
    186,940,061.58/280,159,441.89 = 145,490,987.36/x
  3. Step 3: Cross multiply
    186,940,061.58x = 280,159,441.89 × 145,490,987.36
  4. Step 4: Simplify right side
    186,940,061.58x = 40,760,673,819,776,568
  5. Step 5: Solve for x
    x = 40,760,673,819,776,568/186,940,061.58
  6. Step 6: Final answer
    x = 218,041,405.76

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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.