Home / 214,515,938.74-321,776,897.46-61,161,995.17

Finding the Fourth Proportional to 214,515,938.74, 321,776,897.46 and 61,161,995.17

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Solution

The fourth proportional to 214,515,938.74, 321,776,897.46 and 61,161,995.17 is: 91,743,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,515,938.74 : 321,776,897.46 = 61,161,995.17 : x
  2. Step 2: Convert to fraction form
    214,515,938.74/321,776,897.46 = 61,161,995.17/x
  3. Step 3: Cross multiply
    214,515,938.74x = 321,776,897.46 × 61,161,995.17
  4. Step 4: Simplify right side
    214,515,938.74x = 19,680,517,047,960,296
  5. Step 5: Solve for x
    x = 19,680,517,047,960,296/214,515,938.74
  6. Step 6: Final answer
    x = 91,743,845.07

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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.