Home / 165,271,490,247.40-247,539,903,351.90-143,231,569,095.40

Finding the Fourth Proportional to 165,271,490,247.40, 247,539,903,351.90 and 143,231,569,095.40

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Solution

The fourth proportional to 165,271,490,247.40, 247,539,903,351.90 and 143,231,569,095.40 is: 214,529,007,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271,490,247.40 : 247,539,903,351.90 = 143,231,569,095.40 : x
  2. Step 2: Convert to fraction form
    165,271,490,247.40/247,539,903,351.90 = 143,231,569,095.40/x
  3. Step 3: Cross multiply
    165,271,490,247.40x = 247,539,903,351.90 × 143,231,569,095.40
  4. Step 4: Simplify right side
    165,271,490,247.40x = 35,455,528,770,816,299,761,664
  5. Step 5: Solve for x
    x = 35,455,528,770,816,299,761,664/165,271,490,247.40
  6. Step 6: Final answer
    x = 214,529,007,499.97

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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.