Home / 266,974,811.60-400,462,217.40-85,227,918.80

Finding the Fourth Proportional to 266,974,811.60, 400,462,217.40 and 85,227,918.80

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Solution

The fourth proportional to 266,974,811.60, 400,462,217.40 and 85,227,918.80 is: 127,841,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,974,811.60 : 400,462,217.40 = 85,227,918.80 : x
  2. Step 2: Convert to fraction form
    266,974,811.60/400,462,217.40 = 85,227,918.80/x
  3. Step 3: Cross multiply
    266,974,811.60x = 400,462,217.40 × 85,227,918.80
  4. Step 4: Simplify right side
    266,974,811.60x = 34,130,561,347,035,144
  5. Step 5: Solve for x
    x = 34,130,561,347,035,144/266,974,811.60
  6. Step 6: Final answer
    x = 127,841,878.20

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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.