Home / 264,744,112.60-397,116,168.90-128,695,216.60

Finding the Fourth Proportional to 264,744,112.60, 397,116,168.90 and 128,695,216.60

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Solution

The fourth proportional to 264,744,112.60, 397,116,168.90 and 128,695,216.60 is: 193,042,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,744,112.60 : 397,116,168.90 = 128,695,216.60 : x
  2. Step 2: Convert to fraction form
    264,744,112.60/397,116,168.90 = 128,695,216.60/x
  3. Step 3: Cross multiply
    264,744,112.60x = 397,116,168.90 × 128,695,216.60
  4. Step 4: Simplify right side
    264,744,112.60x = 51,106,951,371,947,680
  5. Step 5: Solve for x
    x = 51,106,951,371,947,680/264,744,112.60
  6. Step 6: Final answer
    x = 193,042,824.90

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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.