Home / 130,328,756,609.46-195,387,638,464.68-40,745,638,006.80

Finding the Fourth Proportional to 130,328,756,609.46, 195,387,638,464.68 and 40,745,638,006.80

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Solution

The fourth proportional to 130,328,756,609.46, 195,387,638,464.68 and 40,745,638,006.80 is: 61,085,474,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328,756,609.46 : 195,387,638,464.68 = 40,745,638,006.80 : x
  2. Step 2: Convert to fraction form
    130,328,756,609.46/195,387,638,464.68 = 40,745,638,006.80/x
  3. Step 3: Cross multiply
    130,328,756,609.46x = 195,387,638,464.68 × 40,745,638,006.80
  4. Step 4: Simplify right side
    130,328,756,609.46x = 7,961,193,987,885,363,101,696
  5. Step 5: Solve for x
    x = 7,961,193,987,885,363,101,696/130,328,756,609.46
  6. Step 6: Final answer
    x = 61,085,474,879.05

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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.