Home / 219,952,573.60-303,500,809.56-127,115,152.60

Finding the Fourth Proportional to 219,952,573.60, 303,500,809.56 and 127,115,152.60

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Solution

The fourth proportional to 219,952,573.60, 303,500,809.56 and 127,115,152.60 is: 175,399,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,952,573.60 : 303,500,809.56 = 127,115,152.60 : x
  2. Step 2: Convert to fraction form
    219,952,573.60/303,500,809.56 = 127,115,152.60/x
  3. Step 3: Cross multiply
    219,952,573.60x = 303,500,809.56 × 127,115,152.60
  4. Step 4: Simplify right side
    219,952,573.60x = 38,579,551,721,442,936
  5. Step 5: Solve for x
    x = 38,579,551,721,442,936/219,952,573.60
  6. Step 6: Final answer
    x = 175,399,410.38

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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.