Home / 130,384,733,428.40-195,576,856,029.68-40,854,580,773.76

Finding the Fourth Proportional to 130,384,733,428.40, 195,576,856,029.68 and 40,854,580,773.76

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Solution

The fourth proportional to 130,384,733,428.40, 195,576,856,029.68 and 40,854,580,773.76 is: 61,281,794,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,384,733,428.40 : 195,576,856,029.68 = 40,854,580,773.76 : x
  2. Step 2: Convert to fraction form
    130,384,733,428.40/195,576,856,029.68 = 40,854,580,773.76/x
  3. Step 3: Cross multiply
    130,384,733,428.40x = 195,576,856,029.68 × 40,854,580,773.76
  4. Step 4: Simplify right side
    130,384,733,428.40x = 7,990,210,462,142,591,664,128
  5. Step 5: Solve for x
    x = 7,990,210,462,142,591,664,128/130,384,733,428.40
  6. Step 6: Final answer
    x = 61,281,794,670.62

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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.