Home / 186,940,062.58-280,159,443.39-145,490,988.36

Finding the Fourth Proportional to 186,940,062.58, 280,159,443.39 and 145,490,988.36

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Solution

The fourth proportional to 186,940,062.58, 280,159,443.39 and 145,490,988.36 is: 218,041,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,062.58 : 280,159,443.39 = 145,490,988.36 : x
  2. Step 2: Convert to fraction form
    186,940,062.58/280,159,443.39 = 145,490,988.36/x
  3. Step 3: Cross multiply
    186,940,062.58x = 280,159,443.39 × 145,490,988.36
  4. Step 4: Simplify right side
    186,940,062.58x = 40,760,674,317,198,568
  5. Step 5: Solve for x
    x = 40,760,674,317,198,568/186,940,062.58
  6. Step 6: Final answer
    x = 218,041,407.25

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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.