Home / 269,172,002.90-403,758,004.35-87,437,551.70

Finding the Fourth Proportional to 269,172,002.90, 403,758,004.35 and 87,437,551.70

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Solution

The fourth proportional to 269,172,002.90, 403,758,004.35 and 87,437,551.70 is: 131,156,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,172,002.90 : 403,758,004.35 = 87,437,551.70 : x
  2. Step 2: Convert to fraction form
    269,172,002.90/403,758,004.35 = 87,437,551.70/x
  3. Step 3: Cross multiply
    269,172,002.90x = 403,758,004.35 × 87,437,551.70
  4. Step 4: Simplify right side
    269,172,002.90x = 35,303,611,379,641,952
  5. Step 5: Solve for x
    x = 35,303,611,379,641,952/269,172,002.90
  6. Step 6: Final answer
    x = 131,156,327.55

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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.