Home / 130,328,756,610.46-195,387,638,466.18-40,745,638,007.80

Finding the Fourth Proportional to 130,328,756,610.46, 195,387,638,466.18 and 40,745,638,007.80

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Solution

The fourth proportional to 130,328,756,610.46, 195,387,638,466.18 and 40,745,638,007.80 is: 61,085,474,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328,756,610.46 : 195,387,638,466.18 = 40,745,638,007.80 : x
  2. Step 2: Convert to fraction form
    130,328,756,610.46/195,387,638,466.18 = 40,745,638,007.80/x
  3. Step 3: Cross multiply
    130,328,756,610.46x = 195,387,638,466.18 × 40,745,638,007.80
  4. Step 4: Simplify right side
    130,328,756,610.46x = 7,961,193,988,141,868,908,544
  5. Step 5: Solve for x
    x = 7,961,193,988,141,868,908,544/130,328,756,610.46
  6. Step 6: Final answer
    x = 61,085,474,880.55

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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.