Home / 149,448,930.16-206,234,846.94-87,610,455.40

Finding the Fourth Proportional to 149,448,930.16, 206,234,846.94 and 87,610,455.40

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Solution

The fourth proportional to 149,448,930.16, 206,234,846.94 and 87,610,455.40 is: 120,899,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,448,930.16 : 206,234,846.94 = 87,610,455.40 : x
  2. Step 2: Convert to fraction form
    149,448,930.16/206,234,846.94 = 87,610,455.40/x
  3. Step 3: Cross multiply
    149,448,930.16x = 206,234,846.94 × 87,610,455.40
  4. Step 4: Simplify right side
    149,448,930.16x = 18,068,328,859,762,696
  5. Step 5: Solve for x
    x = 18,068,328,859,762,696/149,448,930.16
  6. Step 6: Final answer
    x = 120,899,686.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.