Home / 219,472,934.20-329,083,430.10-66,095,999.80

Finding the Fourth Proportional to 219,472,934.20, 329,083,430.10 and 66,095,999.80

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Solution

The fourth proportional to 219,472,934.20, 329,083,430.10 and 66,095,999.80 is: 99,106,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472,934.20 : 329,083,430.10 = 66,095,999.80 : x
  2. Step 2: Convert to fraction form
    219,472,934.20/329,083,430.10 = 66,095,999.80/x
  3. Step 3: Cross multiply
    219,472,934.20x = 329,083,430.10 × 66,095,999.80
  4. Step 4: Simplify right side
    219,472,934.20x = 21,751,098,330,072,916
  5. Step 5: Solve for x
    x = 21,751,098,330,072,916/219,472,934.20
  6. Step 6: Final answer
    x = 99,106,062.48

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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.