Home / 137,628,908.72-206,447,834.36-40,576,477.84

Finding the Fourth Proportional to 137,628,908.72, 206,447,834.36 and 40,576,477.84

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Solution

The fourth proportional to 137,628,908.72, 206,447,834.36 and 40,576,477.84 is: 60,866,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,628,908.72 : 206,447,834.36 = 40,576,477.84 : x
  2. Step 2: Convert to fraction form
    137,628,908.72/206,447,834.36 = 40,576,477.84/x
  3. Step 3: Cross multiply
    137,628,908.72x = 206,447,834.36 × 40,576,477.84
  4. Step 4: Simplify right side
    137,628,908.72x = 8,376,925,976,024,532
  5. Step 5: Solve for x
    x = 8,376,925,976,024,532/137,628,908.72
  6. Step 6: Final answer
    x = 60,866,035.01

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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.