Home / 165,271,490,241.90-247,539,903,343.65-143,231,569,089.90

Finding the Fourth Proportional to 165,271,490,241.90, 247,539,903,343.65 and 143,231,569,089.90

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Solution

The fourth proportional to 165,271,490,241.90, 247,539,903,343.65 and 143,231,569,089.90 is: 214,529,007,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271,490,241.90 : 247,539,903,343.65 = 143,231,569,089.90 : x
  2. Step 2: Convert to fraction form
    165,271,490,241.90/247,539,903,343.65 = 143,231,569,089.90/x
  3. Step 3: Cross multiply
    165,271,490,241.90x = 247,539,903,343.65 × 143,231,569,089.90
  4. Step 4: Simplify right side
    165,271,490,241.90x = 35,455,528,768,273,171,611,648
  5. Step 5: Solve for x
    x = 35,455,528,768,273,171,611,648/165,271,490,241.90
  6. Step 6: Final answer
    x = 214,529,007,491.73

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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.