Home / 82,091,261.80-123,059,910.30-31,007,607.40

Finding the Fourth Proportional to 82,091,261.80, 123,059,910.30 and 31,007,607.40

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Solution

The fourth proportional to 82,091,261.80, 123,059,910.30 and 31,007,607.40 is: 46,482,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,091,261.80 : 123,059,910.30 = 31,007,607.40 : x
  2. Step 2: Convert to fraction form
    82,091,261.80/123,059,910.30 = 31,007,607.40/x
  3. Step 3: Cross multiply
    82,091,261.80x = 123,059,910.30 × 31,007,607.40
  4. Step 4: Simplify right side
    82,091,261.80x = 3,815,793,385,261,616
  5. Step 5: Solve for x
    x = 3,815,793,385,261,616/82,091,261.80
  6. Step 6: Final answer
    x = 46,482,333.22

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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.