Home / 199,612,905.49-299,526,550.41-83,108,689.03

Finding the Fourth Proportional to 199,612,905.49, 299,526,550.41 and 83,108,689.03

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Solution

The fourth proportional to 199,612,905.49, 299,526,550.41 and 83,108,689.03 is: 124,707,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,612,905.49 : 299,526,550.41 = 83,108,689.03 : x
  2. Step 2: Convert to fraction form
    199,612,905.49/299,526,550.41 = 83,108,689.03/x
  3. Step 3: Cross multiply
    199,612,905.49x = 299,526,550.41 × 83,108,689.03
  4. Step 4: Simplify right side
    199,612,905.49x = 24,893,258,934,253,312
  5. Step 5: Solve for x
    x = 24,893,258,934,253,312/199,612,905.49
  6. Step 6: Final answer
    x = 124,707,662.93

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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.