Home / 45,546,127.90-68,264,302.03-20,920,072.29

Finding the Fourth Proportional to 45,546,127.90, 68,264,302.03 and 20,920,072.29

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Solution

The fourth proportional to 45,546,127.90, 68,264,302.03 and 20,920,072.29 is: 31,354,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546,127.90 : 68,264,302.03 = 20,920,072.29 : x
  2. Step 2: Convert to fraction form
    45,546,127.90/68,264,302.03 = 20,920,072.29/x
  3. Step 3: Cross multiply
    45,546,127.90x = 68,264,302.03 × 20,920,072.29
  4. Step 4: Simplify right side
    45,546,127.90x = 1,428,094,133,553,951.50
  5. Step 5: Solve for x
    x = 1,428,094,133,553,951.50/45,546,127.90
  6. Step 6: Final answer
    x = 31,354,896.66

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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.