Home / 269,172,000.40-403,758,000.60-87,437,549.20

Finding the Fourth Proportional to 269,172,000.40, 403,758,000.60 and 87,437,549.20

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Solution

The fourth proportional to 269,172,000.40, 403,758,000.60 and 87,437,549.20 is: 131,156,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,172,000.40 : 403,758,000.60 = 87,437,549.20 : x
  2. Step 2: Convert to fraction form
    269,172,000.40/403,758,000.60 = 87,437,549.20/x
  3. Step 3: Cross multiply
    269,172,000.40x = 403,758,000.60 × 87,437,549.20
  4. Step 4: Simplify right side
    269,172,000.40x = 35,303,610,042,356,132
  5. Step 5: Solve for x
    x = 35,303,610,042,356,132/269,172,000.40
  6. Step 6: Final answer
    x = 131,156,323.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.