Home / 399,366,949.40-599,003,184.90-108,216,013.40

Finding the Fourth Proportional to 399,366,949.40, 599,003,184.90 and 108,216,013.40

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Solution

The fourth proportional to 399,366,949.40, 599,003,184.90 and 108,216,013.40 is: 162,311,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,366,949.40 : 599,003,184.90 = 108,216,013.40 : x
  2. Step 2: Convert to fraction form
    399,366,949.40/599,003,184.90 = 108,216,013.40/x
  3. Step 3: Cross multiply
    399,366,949.40x = 599,003,184.90 × 108,216,013.40
  4. Step 4: Simplify right side
    399,366,949.40x = 64,821,736,683,781,080
  5. Step 5: Solve for x
    x = 64,821,736,683,781,080/399,366,949.40
  6. Step 6: Final answer
    x = 162,311,219.75

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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.