Home / 76,636,004.60-114,954,006.90-68,321,905.40

Finding the Fourth Proportional to 76,636,004.60, 114,954,006.90 and 68,321,905.40

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Solution

The fourth proportional to 76,636,004.60, 114,954,006.90 and 68,321,905.40 is: 102,482,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636,004.60 : 114,954,006.90 = 68,321,905.40 : x
  2. Step 2: Convert to fraction form
    76,636,004.60/114,954,006.90 = 68,321,905.40/x
  3. Step 3: Cross multiply
    76,636,004.60x = 114,954,006.90 × 68,321,905.40
  4. Step 4: Simplify right side
    76,636,004.60x = 7,853,876,784,772,748
  5. Step 5: Solve for x
    x = 7,853,876,784,772,748/76,636,004.60
  6. Step 6: Final answer
    x = 102,482,858.10

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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.