Home / 164,049,428.80-246,074,143.20-42,880,880.80

Finding the Fourth Proportional to 164,049,428.80, 246,074,143.20 and 42,880,880.80

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Solution

The fourth proportional to 164,049,428.80, 246,074,143.20 and 42,880,880.80 is: 64,321,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,049,428.80 : 246,074,143.20 = 42,880,880.80 : x
  2. Step 2: Convert to fraction form
    164,049,428.80/246,074,143.20 = 42,880,880.80/x
  3. Step 3: Cross multiply
    164,049,428.80x = 246,074,143.20 × 42,880,880.80
  4. Step 4: Simplify right side
    164,049,428.80x = 10,551,876,002,521,330
  5. Step 5: Solve for x
    x = 10,551,876,002,521,330/164,049,428.80
  6. Step 6: Final answer
    x = 64,321,321.20

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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.