Home / 124,138,091.52-171,301,720.53-73,899,645.24

Finding the Fourth Proportional to 124,138,091.52, 171,301,720.53 and 73,899,645.24

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Solution

The fourth proportional to 124,138,091.52, 171,301,720.53 and 73,899,645.24 is: 101,976,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138,091.52 : 171,301,720.53 = 73,899,645.24 : x
  2. Step 2: Convert to fraction form
    124,138,091.52/171,301,720.53 = 73,899,645.24/x
  3. Step 3: Cross multiply
    124,138,091.52x = 171,301,720.53 × 73,899,645.24
  4. Step 4: Simplify right side
    124,138,091.52x = 12,659,136,376,168,624
  5. Step 5: Solve for x
    x = 12,659,136,376,168,624/124,138,091.52
  6. Step 6: Final answer
    x = 101,976,244.53

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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.