Home / 159,380,818.53-219,828,451.75-105,638,284.23

Finding the Fourth Proportional to 159,380,818.53, 219,828,451.75 and 105,638,284.23

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Solution

The fourth proportional to 159,380,818.53, 219,828,451.75 and 105,638,284.23 is: 145,703,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,380,818.53 : 219,828,451.75 = 105,638,284.23 : x
  2. Step 2: Convert to fraction form
    159,380,818.53/219,828,451.75 = 105,638,284.23/x
  3. Step 3: Cross multiply
    159,380,818.53x = 219,828,451.75 × 105,638,284.23
  4. Step 4: Simplify right side
    159,380,818.53x = 23,222,300,467,807,340
  5. Step 5: Solve for x
    x = 23,222,300,467,807,340/159,380,818.53
  6. Step 6: Final answer
    x = 145,703,232.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.