Home / 130,328,757,290.64-195,387,639,484.20-40,745,638,689.88

Finding the Fourth Proportional to 130,328,757,290.64, 195,387,639,484.20 and 40,745,638,689.88

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Solution

The fourth proportional to 130,328,757,290.64, 195,387,639,484.20 and 40,745,638,689.88 is: 61,085,475,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328,757,290.64 : 195,387,639,484.20 = 40,745,638,689.88 : x
  2. Step 2: Convert to fraction form
    130,328,757,290.64/195,387,639,484.20 = 40,745,638,689.88/x
  3. Step 3: Cross multiply
    130,328,757,290.64x = 195,387,639,484.20 × 40,745,638,689.88
  4. Step 4: Simplify right side
    130,328,757,290.64x = 7,961,194,162,891,744,346,112
  5. Step 5: Solve for x
    x = 7,961,194,162,891,744,346,112/130,328,757,290.64
  6. Step 6: Final answer
    x = 61,085,475,902.59

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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.