Home / 123,048,208.10-184,572,312.15-103,042,115.30

Finding the Fourth Proportional to 123,048,208.10, 184,572,312.15 and 103,042,115.30

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Solution

The fourth proportional to 123,048,208.10, 184,572,312.15 and 103,042,115.30 is: 154,563,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,048,208.10 : 184,572,312.15 = 103,042,115.30 : x
  2. Step 2: Convert to fraction form
    123,048,208.10/184,572,312.15 = 103,042,115.30/x
  3. Step 3: Cross multiply
    123,048,208.10x = 184,572,312.15 × 103,042,115.30
  4. Step 4: Simplify right side
    123,048,208.10x = 19,018,721,469,747,892
  5. Step 5: Solve for x
    x = 19,018,721,469,747,892/123,048,208.10
  6. Step 6: Final answer
    x = 154,563,172.95

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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.