Home / 130,328,756,611.96-195,387,638,468.43-40,745,638,009.30

Finding the Fourth Proportional to 130,328,756,611.96, 195,387,638,468.43 and 40,745,638,009.30

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Solution

The fourth proportional to 130,328,756,611.96, 195,387,638,468.43 and 40,745,638,009.30 is: 61,085,474,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328,756,611.96 : 195,387,638,468.43 = 40,745,638,009.30 : x
  2. Step 2: Convert to fraction form
    130,328,756,611.96/195,387,638,468.43 = 40,745,638,009.30/x
  3. Step 3: Cross multiply
    130,328,756,611.96x = 195,387,638,468.43 × 40,745,638,009.30
  4. Step 4: Simplify right side
    130,328,756,611.96x = 7,961,193,988,526,628,143,104
  5. Step 5: Solve for x
    x = 7,961,193,988,526,628,143,104/130,328,756,611.96
  6. Step 6: Final answer
    x = 61,085,474,882.80

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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.