Home / 189,113,006.80-283,669,510.20-74,059,310.80

Finding the Fourth Proportional to 189,113,006.80, 283,669,510.20 and 74,059,310.80

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Solution

The fourth proportional to 189,113,006.80, 283,669,510.20 and 74,059,310.80 is: 111,088,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,113,006.80 : 283,669,510.20 = 74,059,310.80 : x
  2. Step 2: Convert to fraction form
    189,113,006.80/283,669,510.20 = 74,059,310.80/x
  3. Step 3: Cross multiply
    189,113,006.80x = 283,669,510.20 × 74,059,310.80
  4. Step 4: Simplify right side
    189,113,006.80x = 21,008,368,420,385,568
  5. Step 5: Solve for x
    x = 21,008,368,420,385,568/189,113,006.80
  6. Step 6: Final answer
    x = 111,088,966.20

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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.