Home / 219,952,570.10-303,500,804.73-127,115,149.10

Finding the Fourth Proportional to 219,952,570.10, 303,500,804.73 and 127,115,149.10

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Solution

The fourth proportional to 219,952,570.10, 303,500,804.73 and 127,115,149.10 is: 175,399,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,952,570.10 : 303,500,804.73 = 127,115,149.10 : x
  2. Step 2: Convert to fraction form
    219,952,570.10/303,500,804.73 = 127,115,149.10/x
  3. Step 3: Cross multiply
    219,952,570.10x = 303,500,804.73 × 127,115,149.10
  4. Step 4: Simplify right side
    219,952,570.10x = 38,579,550,045,223,936
  5. Step 5: Solve for x
    x = 38,579,550,045,223,936/219,952,570.10
  6. Step 6: Final answer
    x = 175,399,405.55

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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.