Home / 321,890,214.40-482,836,896.32-117,417,961.60

Finding the Fourth Proportional to 321,890,214.40, 482,836,896.32 and 117,417,961.60

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Solution

The fourth proportional to 321,890,214.40, 482,836,896.32 and 117,417,961.60 is: 176,127,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,890,214.40 : 482,836,896.32 = 117,417,961.60 : x
  2. Step 2: Convert to fraction form
    321,890,214.40/482,836,896.32 = 117,417,961.60/x
  3. Step 3: Cross multiply
    321,890,214.40x = 482,836,896.32 × 117,417,961.60
  4. Step 4: Simplify right side
    321,890,214.40x = 56,693,724,151,164,936
  5. Step 5: Solve for x
    x = 56,693,724,151,164,936/321,890,214.40
  6. Step 6: Final answer
    x = 176,127,516.82

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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.