Home / 186,940,063.46-280,159,444.70-145,490,989.24

Finding the Fourth Proportional to 186,940,063.46, 280,159,444.70 and 145,490,989.24

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Solution

The fourth proportional to 186,940,063.46, 280,159,444.70 and 145,490,989.24 is: 218,041,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,063.46 : 280,159,444.70 = 145,490,989.24 : x
  2. Step 2: Convert to fraction form
    186,940,063.46/280,159,444.70 = 145,490,989.24/x
  3. Step 3: Cross multiply
    186,940,063.46x = 280,159,444.70 × 145,490,989.24
  4. Step 4: Simplify right side
    186,940,063.46x = 40,760,674,752,904,224
  5. Step 5: Solve for x
    x = 40,760,674,752,904,224/186,940,063.46
  6. Step 6: Final answer
    x = 218,041,408.56

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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.