Home / 145,156,734.30-217,735,101.45-133,567,383.90

Finding the Fourth Proportional to 145,156,734.30, 217,735,101.45 and 133,567,383.90

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Solution

The fourth proportional to 145,156,734.30, 217,735,101.45 and 133,567,383.90 is: 200,351,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,734.30 : 217,735,101.45 = 133,567,383.90 : x
  2. Step 2: Convert to fraction form
    145,156,734.30/217,735,101.45 = 133,567,383.90/x
  3. Step 3: Cross multiply
    145,156,734.30x = 217,735,101.45 × 133,567,383.90
  4. Step 4: Simplify right side
    145,156,734.30x = 29,082,307,883,877,596
  5. Step 5: Solve for x
    x = 29,082,307,883,877,596/145,156,734.30
  6. Step 6: Final answer
    x = 200,351,075.85

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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.