Home / 129,483,103.24-178,684,568.82-70,744,504.24

Finding the Fourth Proportional to 129,483,103.24, 178,684,568.82 and 70,744,504.24

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Solution

The fourth proportional to 129,483,103.24, 178,684,568.82 and 70,744,504.24 is: 97,626,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,483,103.24 : 178,684,568.82 = 70,744,504.24 : x
  2. Step 2: Convert to fraction form
    129,483,103.24/178,684,568.82 = 70,744,504.24/x
  3. Step 3: Cross multiply
    129,483,103.24x = 178,684,568.82 × 70,744,504.24
  4. Step 4: Simplify right side
    129,483,103.24x = 12,640,951,236,509,060
  5. Step 5: Solve for x
    x = 12,640,951,236,509,060/129,483,103.24
  6. Step 6: Final answer
    x = 97,626,261.03

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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.