Home / 311,018,429.98-429,205,416.95-167,964,179.31

Finding the Fourth Proportional to 311,018,429.98, 429,205,416.95 and 167,964,179.31

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Solution

The fourth proportional to 311,018,429.98, 429,205,416.95 and 167,964,179.31 is: 231,790,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,018,429.98 : 429,205,416.95 = 167,964,179.31 : x
  2. Step 2: Convert to fraction form
    311,018,429.98/429,205,416.95 = 167,964,179.31/x
  3. Step 3: Cross multiply
    311,018,429.98x = 429,205,416.95 × 167,964,179.31
  4. Step 4: Simplify right side
    311,018,429.98x = 72,091,135,611,267,088
  5. Step 5: Solve for x
    x = 72,091,135,611,267,088/311,018,429.98
  6. Step 6: Final answer
    x = 231,790,558.58

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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.