Home / 212,670,885.45-293,478,566.13-117,305,173.38

Finding the Fourth Proportional to 212,670,885.45, 293,478,566.13 and 117,305,173.38

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Solution

The fourth proportional to 212,670,885.45, 293,478,566.13 and 117,305,173.38 is: 161,877,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,670,885.45 : 293,478,566.13 = 117,305,173.38 : x
  2. Step 2: Convert to fraction form
    212,670,885.45/293,478,566.13 = 117,305,173.38/x
  3. Step 3: Cross multiply
    212,670,885.45x = 293,478,566.13 × 117,305,173.38
  4. Step 4: Simplify right side
    212,670,885.45x = 34,426,554,083,193,444
  5. Step 5: Solve for x
    x = 34,426,554,083,193,444/212,670,885.45
  6. Step 6: Final answer
    x = 161,877,137.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.