Home / 131,766,653.16-197,676,396.54-45,508,222.44

Finding the Fourth Proportional to 131,766,653.16, 197,676,396.54 and 45,508,222.44

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Solution

The fourth proportional to 131,766,653.16, 197,676,396.54 and 45,508,222.44 is: 68,271,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766,653.16 : 197,676,396.54 = 45,508,222.44 : x
  2. Step 2: Convert to fraction form
    131,766,653.16/197,676,396.54 = 45,508,222.44/x
  3. Step 3: Cross multiply
    131,766,653.16x = 197,676,396.54 × 45,508,222.44
  4. Step 4: Simplify right side
    131,766,653.16x = 8,995,901,424,879,966
  5. Step 5: Solve for x
    x = 8,995,901,424,879,966/131,766,653.16
  6. Step 6: Final answer
    x = 68,271,457.22

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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.