Home / 266,974,810.10-400,462,215.15-85,227,917.30

Finding the Fourth Proportional to 266,974,810.10, 400,462,215.15 and 85,227,917.30

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Solution

The fourth proportional to 266,974,810.10, 400,462,215.15 and 85,227,917.30 is: 127,841,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,974,810.10 : 400,462,215.15 = 85,227,917.30 : x
  2. Step 2: Convert to fraction form
    266,974,810.10/400,462,215.15 = 85,227,917.30/x
  3. Step 3: Cross multiply
    266,974,810.10x = 400,462,215.15 × 85,227,917.30
  4. Step 4: Simplify right side
    266,974,810.10x = 34,130,560,554,579,004
  5. Step 5: Solve for x
    x = 34,130,560,554,579,004/266,974,810.10
  6. Step 6: Final answer
    x = 127,841,875.95

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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.