Home / 273,024,405.10-409,534,137.57-86,278,378.81

Finding the Fourth Proportional to 273,024,405.10, 409,534,137.57 and 86,278,378.81

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Solution

The fourth proportional to 273,024,405.10, 409,534,137.57 and 86,278,378.81 is: 129,416,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,024,405.10 : 409,534,137.57 = 86,278,378.81 : x
  2. Step 2: Convert to fraction form
    273,024,405.10/409,534,137.57 = 86,278,378.81/x
  3. Step 3: Cross multiply
    273,024,405.10x = 409,534,137.57 × 86,278,378.81
  4. Step 4: Simplify right side
    273,024,405.10x = 35,333,941,456,358,124
  5. Step 5: Solve for x
    x = 35,333,941,456,358,124/273,024,405.10
  6. Step 6: Final answer
    x = 129,416,787.64

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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.