Home / 120,376,389,506.40-180,564,584,259.60-36,529,986,342.60

Finding the Fourth Proportional to 120,376,389,506.40, 180,564,584,259.60 and 36,529,986,342.60

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Solution

The fourth proportional to 120,376,389,506.40, 180,564,584,259.60 and 36,529,986,342.60 is: 54,794,979,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,376,389,506.40 : 180,564,584,259.60 = 36,529,986,342.60 : x
  2. Step 2: Convert to fraction form
    120,376,389,506.40/180,564,584,259.60 = 36,529,986,342.60/x
  3. Step 3: Cross multiply
    120,376,389,506.40x = 180,564,584,259.60 × 36,529,986,342.60
  4. Step 4: Simplify right side
    120,376,389,506.40x = 6,596,021,796,960,434,388,992
  5. Step 5: Solve for x
    x = 6,596,021,796,960,434,388,992/120,376,389,506.40
  6. Step 6: Final answer
    x = 54,794,979,513.90

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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.