Home / 159,602,232.66-220,263,558.33-89,060,022.78

Finding the Fourth Proportional to 159,602,232.66, 220,263,558.33 and 89,060,022.78

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Solution

The fourth proportional to 159,602,232.66, 220,263,558.33 and 89,060,022.78 is: 122,909,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,602,232.66 : 220,263,558.33 = 89,060,022.78 : x
  2. Step 2: Convert to fraction form
    159,602,232.66/220,263,558.33 = 89,060,022.78/x
  3. Step 3: Cross multiply
    159,602,232.66x = 220,263,558.33 × 89,060,022.78
  4. Step 4: Simplify right side
    159,602,232.66x = 19,616,677,522,473,660
  5. Step 5: Solve for x
    x = 19,616,677,522,473,660/159,602,232.66
  6. Step 6: Final answer
    x = 122,909,793.90

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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.