Home / 105,914,244.66-146,201,305.87-79,528,820.05

Finding the Fourth Proportional to 105,914,244.66, 146,201,305.87 and 79,528,820.05

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Solution

The fourth proportional to 105,914,244.66, 146,201,305.87 and 79,528,820.05 is: 109,779,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914,244.66 : 146,201,305.87 = 79,528,820.05 : x
  2. Step 2: Convert to fraction form
    105,914,244.66/146,201,305.87 = 79,528,820.05/x
  3. Step 3: Cross multiply
    105,914,244.66x = 146,201,305.87 × 79,528,820.05
  4. Step 4: Simplify right side
    105,914,244.66x = 11,627,217,345,610,238
  5. Step 5: Solve for x
    x = 11,627,217,345,610,238/105,914,244.66
  6. Step 6: Final answer
    x = 109,779,542.71

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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.